{
"html_url": "https://licitia.com.mx/adjudicacion/aa-11-b00-011b00001-n-4692-2026",
"canonical": "https://licitia.com.mx/adjudicacion/aa-11-b00-011b00001-n-4692-2026",
"id": "5646e8cdb8bb302fe0639e1200a9e5df",
"procedure_number": "AA-11-B00-011B00001-N-4692-2026",
"file_number": "E-2026-00080678",
"title": "ADQUISICIÓN DE LIBROS PARA NIVEL LICENCIATURA",
"description": {
"short": "Adquisiciones, arrendamientos y servicios, dentro de los montos máximos establecidos en el PEF.",
"detailed": "ADQUISICIÓN DE LIBROS PARA NIVEL LICENCIATURA PARA LA ESIQIE PARA EL EJERCICIO FISCAL 2026"
},
"lifecycle": {
"section": "concluido",
"source_status": "ADJUDICADO",
"moved_at": null
},
"buyer": {
"agency": "INSTITUTO POLITECNICO NACIONAL",
"acronym": "IPN",
"branch": "11 - EDUCACIÓN PÚBLICA",
"buying_unit": "DIRECCION DE RECURSOS MATERIALES E INFRAESTRUCTURA",
"requesting_unit": "unidad requiriente data",
"requesting_group": "DIRECCION DE RECURSOS MATERIALES E INFRAESTRUCTURA",
"entity": "TESORERÍA DE LA FEDERACIÓN",
"slug": "ipn",
"unit_slug": "direccion-de-recursos-materiales-e-infraestructura-011b00001"
},
"classification": {
"procedure_type": "ADJUDICACIÓN DIRECTA",
"contracting_type": "ADQUISICIONES",
"publication_type": null,
"character": "NACIONAL",
"fiscal_year": 2026,
"law": "LEY DE ADQUISICIONES, ARRENDAMIENTOS Y SERVICIOS DEL SECTOR PÚBLICO",
"legal_basis_id": "217",
"exception_basis": "Art. 55 párrafo primero",
"internal_control_number": "ESIQIE-ADQ-057-2026",
"supply_source_number": null
},
"schedule": {
"published_at": "2026-07-10T22:16:58.000Z",
"clarification_meeting_at": null,
"clarification_questions_deadline_at": null,
"clarification_responses_deadline_at": null,
"bid_opening_at": "2026-07-09T17:00:00.000Z",
"award_at": null,
"estimated_contract_at": "2026-07-15T06:00:00.000Z",
"site_visit_at": null,
"estimated_work_start_at": null
},
"estimated_value": {
"minimum": null,
"maximum": null,
"currency": "MXN",
"updated_at": null
},
"lots": [
{
"number": "1",
"name": "PARTIDA SOLA",
"description": "PARTIDA SOLA",
"requirement_group_id": "1",
"items": [
{
"number": "1",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "INTRODUCTION TO POLYMERS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "2",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "MECHANICAL TESTING OF MATERIALS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "3",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 3: INDUSTRIAL PROCESSES",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "4",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "EL ARTE DE PRESENTAR: CÓMO PLANIFICAR, ESTRUCTURAR, DISEÑAR Y EXPONER PRESENTACIONES.",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "5",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "QUANTITATIVE CHEMICAL ANALYSIS (10TH ED.).",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "6",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ECUACIONES DIFERENCIALES CON APLICACIONES DE MODELADO",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "7",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "POLYMER PROCESSING: PRINCIPLES AND DESIGN, 2ND EDITION",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "8",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "METALLUEGICALI ADVANCES IN COATINGS AND CORROSIÓN",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "9",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "PHYSICS FOR SCIENTITS AND ENGINEERS (10¿ ED., VOL 2)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "10",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "CÁLCULO VARIAS VARIABLES",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "11",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "PHYSICS: PRINCIPLES APLICATIONS(7¿ ED.)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "12",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "QUIMICA GENERAL (12.¿ ED.)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "13",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "DIFFERENTIAL EQUATIONS ESSENTIAL SKILIS PRACTICE WORKBOOK WITH ANSWERS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "14",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "CÁLCULO DE VARIAS VARIABLES TRASCENDENTES Y TEMPRANAS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "15",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "CÁLCULO: TOMO I",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "16",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "CÁLCULO INTEGRAL",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "17",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TERMODINÁMICA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "18",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "CÁLCULO DIFERENCIAL",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "19",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ALGEBRA LINEAL",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "20",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "PRESENTACIONES DE IMPACTO",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "21",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "RELIGIÓN Y CIENCIA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "22",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TERMODINÁMICA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "23",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "QUÍMICA GENERAL (12¿ ED)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "24",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "QUÍMICA: LA CIENCIA CENTRAL",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "25",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FUNDAMENTALS OF PHYSICS (12¿ ED., VOL 2)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "26",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ENGINEERING MATERIALS AND METALLURGY",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "27",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "HANDEBOOK OF RADICAL POLYMERIZATION",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "28",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ELECTRIC ARC FURNACE: METHODS TO DECREASE ENERGY CONSUMPTION",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "29",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "COMPLETE CASTING HANDBOOK",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "30",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ELEMENTARY DIFFERENTIAL EQUATIONS & BOUNDARY VALUE PROBLEMS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "31",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ECUACIONES DIFERENCIALES CON PROBLEMAS DE VALORES EN LA FRONTERA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "32",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "PARTIELLE DIFFERENTIALGLEICHUGEN: EINE ANWENDUNGSORIENTIERTE EINFUHRUNG",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "33",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FUNDAMENTALS OF ANALYTICAL CHEMISTRY (10TH ED.)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "34",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "BASIC CYANIDE CHEMISTRY: AN ESSENTIAL GUIDE FOR GOLD AND SILVER LEACHING",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "35",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "GENERACIÓN Y RECUPERACIÓN DE ENERGÍA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "36",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "ADVANCED POLYMERIC MATERIALS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "37",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "POLYMER SOLUTIONS: AN ITRODUCTION TO PHYSICAL PROPERTIES",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "38",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "HANDBOOK OF POLYMER SYNTHESIS, CHARACTERIZATION, AND PROCESSING",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "39",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 1: PROCESS FUNDAMENTALS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "40",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FLOCCULATION BEHAVIOR OF FULL TAILINGS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "41",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "GENERACIÓN Y RECUPERACIÓN DE ENERGÍA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "42",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "RARE EARTH AND CRITICAL MINERAL OPERATIONS AND PROCESSING",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "43",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "MECHANICAL BEHAVLOR OF ADVANCED MATERIALS: MODELING AND SIMULATION: MODELING AND SIMULATION",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "44",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 2A: PROCESS PHENOMENA.",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "45",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FISICA PARA LA CIENCIA Y LA TECNOLOGÍA (6¿ ED., VOL. 2)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "46",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "INTRODUCCIÓN A LA TERMODINÁMICA EN INGENIERÍA QUÍMICA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "47",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "QUÍMICA GENERAL (12¿ ED)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "48",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "HOW TO USE EXCEL® IN ANALITYCAL CHEMISTRY AND IN GENERAL SCIENTIFIC DATA ANALYSIS (2ND ED.)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "49",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "TREATISE ON PROCESS VOLUMEN 4: INDUSTRIAL PLANT DESINGN AND PROCESS MODELING",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "50",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "STEEL CORROSION AND METALLUGICALL FACTRS. LAWS ANDE MECHANISMS.",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "51",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "POLYMER CRYSTALLIZATION: METHODS, CHARACTERIZATION, AND APLICATIONS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "52",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "INTRODUCCIÓN A LA TERMODINÁMICA EN INGENIERÍA QUÍMICA",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "53",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FILOSOFÍA DE LA CIENCIA NATURAL",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "54",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "HEAVY METAL TOXICITY: ENVIRONMENTAL CONCERNS, REMEDIATION AND OPPORTUNITIES",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "55",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "MODELING FOR CASTING ANDE SOLIDIFICATION PROCESSING",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "56",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FUNCTIONAL COATINGS FOR METALLIC AND CERAMIC MATERIALS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "57",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "FUNDAMENTALS OF PHYSICS (12¿ ED., VOL. 1)",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
},
{
"number": "58",
"cucop_code": "21502-0011",
"specific_item_code": "21502",
"cucop_description": "LIBROS",
"description": "NEW COMPOSITE CERAMIC MATERIALS",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": "1",
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null
}
]
}
],
"awards": [
{
"id": "C-2026-00067700",
"internal_reference": "ESIQIE-ADQ-057-2026",
"title": "ADQUISICIÓN DE LIBROS PARA NIVEL LICENCIATURA",
"status": "PUBLICADO",
"contractor": {
"name": "LSR LIBROS SERVICIOS Y REPRESENTACIONES SA DE CV",
"normalized_name": "LSR LIBROS SERVICIOS Y REPRESENTACIONES",
"rfc_type": null,
"slug": "lsr-libros-servicios-y-representaciones"
},
"contract_period": {
"published_at": "2026-07-14T22:02:38.000Z",
"starts_at": "2026-07-15T06:00:00.000Z",
"ends_at": "2026-09-30T06:00:00.000Z"
},
"value": {
"subtotal": "139442.5",
"tax": "0",
"total": "139442.5",
"maximum_subtotal": "139442.5",
"maximum_total": "139442.5",
"currency": "MXN"
},
"open_contract_type": null,
"quantity": null,
"exercised_quantity": null,
"participants": [],
"line_items": [
{
"number": "0",
"cucop_code": "21502-0011",
"description": "PHYSICS: PRINCIPLES APLICATIONS(7¿ ED.)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2090",
"subtotal": "2090",
"tax": null,
"other_taxes": null,
"total": "2090"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FUNDAMENTALS OF PHYSICS (12¿ ED., VOL. 1)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1634",
"subtotal": "1634",
"tax": null,
"other_taxes": null,
"total": "1634"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "PHYSICS FOR SCIENTITS AND ENGINEERS (10¿ ED., VOL 2)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3045",
"subtotal": "3045",
"tax": null,
"other_taxes": null,
"total": "3045"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FISICA PARA LA CIENCIA Y LA TECNOLOGÍA (6¿ ED., VOL. 2)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1243",
"subtotal": "1243",
"tax": null,
"other_taxes": null,
"total": "1243"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FUNDAMENTALS OF PHYSICS (12¿ ED., VOL 2)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1083",
"subtotal": "1083",
"tax": null,
"other_taxes": null,
"total": "1083"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TERMODINÁMICA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3000",
"subtotal": "3000",
"tax": null,
"other_taxes": null,
"total": "3000"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "INTRODUCCIÓN A LA TERMODINÁMICA EN INGENIERÍA QUÍMICA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1200",
"subtotal": "1200",
"tax": null,
"other_taxes": null,
"total": "1200"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TERMODINÁMICA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "643",
"subtotal": "643",
"tax": null,
"other_taxes": null,
"total": "643"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "QUÍMICA GENERAL (12¿ ED)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1200",
"subtotal": "1200",
"tax": null,
"other_taxes": null,
"total": "1200"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "QUANTITATIVE CHEMICAL ANALYSIS (10TH ED.).",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "7600",
"subtotal": "7600",
"tax": null,
"other_taxes": null,
"total": "7600"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "QUÍMICA GENERAL (12¿ ED)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1200",
"subtotal": "1200",
"tax": null,
"other_taxes": null,
"total": "1200"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "QUÍMICA: LA CIENCIA CENTRAL",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1464",
"subtotal": "1464",
"tax": null,
"other_taxes": null,
"total": "1464"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "QUIMICA GENERAL (12.¿ ED.)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1200",
"subtotal": "1200",
"tax": null,
"other_taxes": null,
"total": "1200"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "INTRODUCCIÓN A LA TERMODINÁMICA EN INGENIERÍA QUÍMICA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1200",
"subtotal": "1200",
"tax": null,
"other_taxes": null,
"total": "1200"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "HOW TO USE EXCEL® IN ANALITYCAL CHEMISTRY AND IN GENERAL SCIENTIFIC DATA ANALYSIS (2ND ED.)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2793",
"subtotal": "2793",
"tax": null,
"other_taxes": null,
"total": "2793"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FUNDAMENTALS OF ANALYTICAL CHEMISTRY (10TH ED.)",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3565",
"subtotal": "3565",
"tax": null,
"other_taxes": null,
"total": "3565"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "CÁLCULO: TOMO I",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2714",
"subtotal": "2714",
"tax": null,
"other_taxes": null,
"total": "2714"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "CÁLCULO INTEGRAL",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "475",
"subtotal": "475",
"tax": null,
"other_taxes": null,
"total": "475"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "CÁLCULO DIFERENCIAL",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "475",
"subtotal": "475",
"tax": null,
"other_taxes": null,
"total": "475"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ECUACIONES DIFERENCIALES CON APLICACIONES DE MODELADO",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "957",
"subtotal": "957",
"tax": null,
"other_taxes": null,
"total": "957"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ECUACIONES DIFERENCIALES CON PROBLEMAS DE VALORES EN LA FRONTERA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2714",
"subtotal": "2714",
"tax": null,
"other_taxes": null,
"total": "2714"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ELEMENTARY DIFFERENTIAL EQUATIONS & BOUNDARY VALUE PROBLEMS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2717",
"subtotal": "2717",
"tax": null,
"other_taxes": null,
"total": "2717"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "DIFFERENTIAL EQUATIONS ESSENTIAL SKILIS PRACTICE WORKBOOK WITH ANSWERS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "643",
"subtotal": "643",
"tax": null,
"other_taxes": null,
"total": "643"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "PARTIELLE DIFFERENTIALGLEICHUGEN: EINE ANWENDUNGSORIENTIERTE EINFUHRUNG",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "760",
"subtotal": "760",
"tax": null,
"other_taxes": null,
"total": "760"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ALGEBRA LINEAL",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1004",
"subtotal": "1004",
"tax": null,
"other_taxes": null,
"total": "1004"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "CÁLCULO DE VARIAS VARIABLES TRASCENDENTES Y TEMPRANAS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "912",
"subtotal": "912",
"tax": null,
"other_taxes": null,
"total": "912"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "CÁLCULO VARIAS VARIABLES",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "670",
"subtotal": "670",
"tax": null,
"other_taxes": null,
"total": "670"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "EL ARTE DE PRESENTAR: CÓMO PLANIFICAR, ESTRUCTURAR, DISEÑAR Y EXPONER PRESENTACIONES.",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "857",
"subtotal": "857",
"tax": null,
"other_taxes": null,
"total": "857"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "PRESENTACIONES DE IMPACTO",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "993",
"subtotal": "993",
"tax": null,
"other_taxes": null,
"total": "993"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FILOSOFÍA DE LA CIENCIA NATURAL",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "493",
"subtotal": "493",
"tax": null,
"other_taxes": null,
"total": "493"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "RELIGIÓN Y CIENCIA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "140",
"subtotal": "140",
"tax": null,
"other_taxes": null,
"total": "140"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "GENERACIÓN Y RECUPERACIÓN DE ENERGÍA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1643",
"subtotal": "1643",
"tax": null,
"other_taxes": null,
"total": "1643"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "GENERACIÓN Y RECUPERACIÓN DE ENERGÍA",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1643",
"subtotal": "1643",
"tax": null,
"other_taxes": null,
"total": "1643"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "BASIC CYANIDE CHEMISTRY: AN ESSENTIAL GUIDE FOR GOLD AND SILVER LEACHING",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "4305",
"subtotal": "4305",
"tax": null,
"other_taxes": null,
"total": "4305"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "MECHANICAL TESTING OF MATERIALS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1440",
"subtotal": "1440",
"tax": null,
"other_taxes": null,
"total": "1440"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FLOCCULATION BEHAVIOR OF FULL TAILINGS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3600",
"subtotal": "3600",
"tax": null,
"other_taxes": null,
"total": "3600"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "RARE EARTH AND CRITICAL MINERAL OPERATIONS AND PROCESSING",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1071",
"subtotal": "1071",
"tax": null,
"other_taxes": null,
"total": "1071"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "MECHANICAL BEHAVLOR OF ADVANCED MATERIALS: MODELING AND SIMULATION: MODELING AND SIMULATION",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1278",
"subtotal": "1278",
"tax": null,
"other_taxes": null,
"total": "1278"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "HEAVY METAL TOXICITY: ENVIRONMENTAL CONCERNS, REMEDIATION AND OPPORTUNITIES",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3960",
"subtotal": "3960",
"tax": null,
"other_taxes": null,
"total": "3960"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ELECTRIC ARC FURNACE: METHODS TO DECREASE ENERGY CONSUMPTION",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1080",
"subtotal": "1080",
"tax": null,
"other_taxes": null,
"total": "1080"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "MODELING FOR CASTING ANDE SOLIDIFICATION PROCESSING",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1620",
"subtotal": "1620",
"tax": null,
"other_taxes": null,
"total": "1620"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ADVANCED POLYMERIC MATERIALS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "931.5",
"subtotal": "931.5",
"tax": null,
"other_taxes": null,
"total": "931.5"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "NEW COMPOSITE CERAMIC MATERIALS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2086",
"subtotal": "2086",
"tax": null,
"other_taxes": null,
"total": "2086"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "FUNCTIONAL COATINGS FOR METALLIC AND CERAMIC MATERIALS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1943",
"subtotal": "1943",
"tax": null,
"other_taxes": null,
"total": "1943"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "COMPLETE CASTING HANDBOOK",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "3024",
"subtotal": "3024",
"tax": null,
"other_taxes": null,
"total": "3024"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 1: PROCESS FUNDAMENTALS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "6300",
"subtotal": "6300",
"tax": null,
"other_taxes": null,
"total": "6300"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 2A: PROCESS PHENOMENA.",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "6300",
"subtotal": "6300",
"tax": null,
"other_taxes": null,
"total": "6300"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TREATISE ON PROCESS METALLURGY. VOLUMEN 3: INDUSTRIAL PROCESSES",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "6300",
"subtotal": "6300",
"tax": null,
"other_taxes": null,
"total": "6300"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "TREATISE ON PROCESS VOLUMEN 4: INDUSTRIAL PLANT DESINGN AND PROCESS MODELING",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "6300",
"subtotal": "6300",
"tax": null,
"other_taxes": null,
"total": "6300"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "METALLUEGICALI ADVANCES IN COATINGS AND CORROSIÓN",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2304",
"subtotal": "2304",
"tax": null,
"other_taxes": null,
"total": "2304"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "STEEL CORROSION AND METALLUGICALL FACTRS. LAWS ANDE MECHANISMS.",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "4250",
"subtotal": "4250",
"tax": null,
"other_taxes": null,
"total": "4250"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "ENGINEERING MATERIALS AND METALLURGY",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2243",
"subtotal": "2243",
"tax": null,
"other_taxes": null,
"total": "2243"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "INTRODUCTION TO POLYMERS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "1672",
"subtotal": "1672",
"tax": null,
"other_taxes": null,
"total": "1672"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "HANDEBOOK OF RADICAL POLYMERIZATION",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "7619",
"subtotal": "7619",
"tax": null,
"other_taxes": null,
"total": "7619"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "POLYMER PROCESSING: PRINCIPLES AND DESIGN, 2ND EDITION",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "2964",
"subtotal": "2964",
"tax": null,
"other_taxes": null,
"total": "2964"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "POLYMER SOLUTIONS: AN ITRODUCTION TO PHYSICAL PROPERTIES",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "4009",
"subtotal": "4009",
"tax": null,
"other_taxes": null,
"total": "4009"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "POLYMER CRYSTALLIZATION: METHODS, CHARACTERIZATION, AND APLICATIONS",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "4313",
"subtotal": "4313",
"tax": null,
"other_taxes": null,
"total": "4313"
},
{
"number": "0",
"cucop_code": "21502-0011",
"description": "HANDBOOK OF POLYMER SYNTHESIS, CHARACTERIZATION, AND PROCESSING",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "4560",
"subtotal": "4560",
"tax": null,
"other_taxes": null,
"total": "4560"
}
]
}
],
"documents": [
{
"id": "eb2bb291-9b5d-4416-8fe7-b7139353a6ab",
"annex_number": 1,
"document_type": null,
"description": "ANEXO TÉCNICO",
"filename": "AT 057.pdf",
"availability": "available",
"size_bytes": "3414067",
"mime_type": "application/pdf",
"sha256": "ececb22dd70f09a6199a7e23e8bceb008de3a0903268c9e6426b83060ddc2245",
"uploaded_at": "2026-08-07T21:17:23.186Z",
"updated_at": "2026-08-07T21:17:23.187Z"
},
{
"id": "fefa224b-14bc-48b3-81e0-fd200442c40b",
"annex_number": 5,
"document_type": null,
"description": "formato abc",
"filename": "ABC.docx",
"availability": "available",
"size_bytes": "26457",
"mime_type": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"sha256": "b35c0eaf6f76ecd13cbfb16418a4288d45eefe5669084c7f57f4ece8fcfcc390",
"uploaded_at": "2026-08-07T21:17:24.291Z",
"updated_at": "2026-08-07T21:17:24.292Z"
},
{
"id": "84b8367c-5932-4014-b17a-4de464e53acf",
"annex_number": 5,
"document_type": null,
"description": "OFICIO DE NOTIFICACIÓN DE ADJUDICACIÓN",
"filename": "lsr 057.pdf",
"availability": "available",
"size_bytes": "2708777",
"mime_type": "application/pdf",
"sha256": "c05ef28f8360f34cfae5d812a5b8a150b402dba39bdaf81454a55236986620f1",
"uploaded_at": "2026-08-07T21:17:28.687Z",
"updated_at": "2026-08-07T21:17:28.688Z"
}
],
"alternates": [],
"similar": []
}