{
"html_url": "https://postor.com.mx/adjudicacion/aa-11-l4j-011l4j995-n-431-2023",
"canonical": "https://postor.com.mx/adjudicacion/aa-11-l4j-011l4j995-n-431-2023",
"id": "fae50e380db0487687bec7327e71e943",
"procedure_number": "AA-11-L4J-011L4J995-N-431-2023",
"file_number": "E-2023-00084591",
"title": "CORTICOSTERONE ELISA KIT 5X96 WELLS SENSITIVE MEASUREMENT, SETECTING AS LITTLE",
"description": {
"short": "Equipos especializados, sustancias y materiales químicos, físico químico o bioquímico, para proyectos de investigación científica y desarrollo tecnológico.",
"detailed": "CORTICOSTERONE ELISA KIT 5X96 WELLS SENSITIVE MEASUREMENT, SETECTING AS LITTLE"
},
"lifecycle": {
"section": "concluido",
"source_status": "ADJUDICADO",
"moved_at": null
},
"buyer": {
"agency": "CINVESTAV",
"acronym": "CINVESTAV",
"branch": "11 - EDUCACIÓN PÚBLICA",
"buying_unit": "SUBDIRECCION DE RECURSOS MATERIALES",
"requesting_unit": null,
"requesting_group": "SUBDIRECCION DE RECURSOS MATERIALES",
"entity": null,
"slug": "cinvestav",
"unit_slug": "subdireccion-de-recursos-materiales-011l4j995"
},
"classification": {
"procedure_type": "ADJUDICACIÓN DIRECTA",
"contracting_type": "ADQUISICIONES",
"publication_type": null,
"character": "NACIONAL",
"fiscal_year": 2023,
"law": "LEY DE ADQUISICIONES, ARRENDAMIENTOS Y SERVICIOS DEL SECTOR PÚBLICO",
"legal_basis_id": "38",
"exception_basis": "Art. 41 fr. XVII",
"internal_control_number": "REQ. 7167-2023",
"supply_source_number": null
},
"schedule": {
"published_at": "2023-09-19T19:34:03.000Z",
"clarification_meeting_at": null,
"clarification_questions_deadline_at": null,
"clarification_responses_deadline_at": null,
"bid_opening_at": null,
"award_at": null,
"estimated_contract_at": "2023-09-15T06:00:00.000Z",
"site_visit_at": null,
"estimated_work_start_at": null
},
"locations": {
"state_id": "7",
"state": "CIUDAD DE MÉXICO",
"bid_opening": null,
"award": null,
"clarification_meeting": null,
"site_visit": null,
"work_site": null
},
"estimated_value": {
"minimum": null,
"maximum": null,
"currency": "MXN",
"updated_at": null
},
"financial_terms": {
"currency": "MXN",
"advance_percentage": "0",
"supplier_percentage": null,
"payment_method": "UNA PARCIALIDAD, TRANSFERENCIA",
"credit_condition": null,
"payment_conditions": null,
"financing_organization": null
},
"evaluation": {
"criterion": "BINARIO",
"technical_points": null,
"economic_points": null
},
"guarantees": {
"performance_required": false,
"goods_or_services_required": false,
"amount_percentage": null,
"delivery_days": null,
"term_months": null,
"other_insurance_required": false,
"other_insurance_description": null,
"performance_reduction": null
},
"participation": {
"method": null,
"joint": false,
"msme_only": false,
"social_witness": false,
"multi_year": false,
"open_contract": false,
"consolidated_purchase": false,
"external_credit": false,
"simultaneous_supply": false,
"subcontracting": null,
"emergency": false,
"proposal_language": "idioma data",
"no_joint_participation_justification": null
},
"execution": {
"site_visit_required": null,
"duration_days": null,
"procurement_term": "Normal",
"subcontracted_work": null,
"deadline_justification": null
},
"lots": [
{
"number": "1",
"name": "PARTIDA SOLA",
"description": "PARTIDA SOLA",
"requirement_group_id": "1",
"items": [
{
"number": "1",
"cucop_code": "25101-0019",
"specific_item_code": "25101",
"cucop_description": "FUNCIONES OXIGENADAS DERIVADAS (COMPUESTOS ALIFATICOS)",
"description": "CORTICOSTERONE ELISA KIT 5X96 WELLS SENSITIVE MEASUREMENT, SETECTING AS LITTLE",
"requested_quantity": "1",
"minimum_quantity": "1",
"maximum_quantity": null,
"unit": "PIEZA",
"minimum_amount": null,
"maximum_amount": null,
"partida_code": "25101",
"partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
}
]
}
],
"budget_items": [
{
"code": "25101",
"description": "PRODUCTOS QUÍMICOS BÁSICOS"
}
],
"awards": [
{
"id": "C-2023-00109366",
"internal_reference": "5275",
"title": "CORTICOSTERONE ELISA KIT 5X96 WELLS SENSITIVE MEASUREMENT, SETECTING AS LITTLE",
"status": "PUBLICADO",
"contractor": {
"name": "SILVERA CIENCIA E INGENIERIA SA DE CV",
"normalized_name": "SILVERA CIENCIA E INGENIERIA",
"rfc_type": null,
"slug": "silvera-ciencia-e-ingenieria"
},
"contract_period": {
"published_at": "2023-09-19T19:34:03.000Z",
"starts_at": "2023-09-15T06:00:00.000Z",
"ends_at": "2023-10-31T06:00:00.000Z"
},
"value": {
"subtotal": "36893",
"tax": "5902.88",
"total": "42795.88",
"maximum_subtotal": "0",
"maximum_total": "0",
"currency": "MXN"
},
"open_contract_type": null,
"quantity": null,
"exercised_quantity": null,
"participants": [],
"line_items": [
{
"number": "0",
"cucop_code": "25101-0019",
"description": "CORTICOSTERONE ELISA KIT 5X96 WELLS SENSITIVE MEASUREMENT, SETECTING AS LITTLE",
"unit": "PIEZA",
"requested_quantity": "1",
"awarded_quantity": null,
"unit_price": "36893",
"subtotal": "36893",
"tax": "5902.88",
"other_taxes": null,
"total": "42795.88",
"cucop_description": "FUNCIONES OXIGENADAS DERIVADAS (COMPUESTOS ALIFATICOS)",
"partida_code": "25101",
"partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
}
]
}
],
"documents": [
{
"id": null,
"annex_number": 1,
"document_type": null,
"description": "JUSTIFICACIÓN DE EXCEPCIÓN",
"filename": "XVII.docx",
"availability": "available",
"size_bytes": "55300",
"mime_type": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"sha256": null,
"uploaded_at": "2025-12-04T11:02:43.268Z",
"updated_at": "2025-12-04T11:02:43.270Z"
},
{
"id": null,
"annex_number": 1,
"document_type": null,
"description": "ANEXO TÉCNICO",
"filename": "20230914185223941.pdf",
"availability": "available",
"size_bytes": "200506",
"mime_type": "application/pdf",
"sha256": null,
"uploaded_at": "2025-12-04T11:02:44.604Z",
"updated_at": "2025-12-04T11:02:44.605Z"
},
{
"id": null,
"annex_number": 4,
"document_type": null,
"description": "OFICIO DE ADJUDICACIÓN",
"filename": "5275.pdf",
"availability": "available",
"size_bytes": "329910",
"mime_type": "application/pdf",
"sha256": null,
"uploaded_at": "2025-12-04T11:02:46.000Z",
"updated_at": "2025-12-04T11:02:46.001Z"
}
],
"provenance": {
"source_system": "Compras MX",
"source_fetched_at": "2026-07-29T03:30:36.209Z",
"last_seen_at": "2026-07-29T04:13:10.880Z",
"first_seen_at": "2025-11-05T05:08:01.972Z",
"detail_complete": true,
"documents_complete": true,
"content_changed_at": "2025-11-05T05:08:01.972Z"
},
"context": {
"prices": [
{
"cucop_code": "25101-0019",
"description": "FUNCIONES OXIGENADAS DERIVADAS (COMPUESTOS ALIFATICOS)",
"priced_items": 19,
"units": [
{
"n": 15,
"max": 46659.34,
"min": 609,
"p10": 991,
"p50": 1908.31,
"p90": 25175.8,
"unidad": "PIEZA"
}
],
"price_by_year": {
"2023": {
"n": 6,
"p50": 5725
},
"2024": {
"n": 9,
"p50": 1908.31
},
"2025": {
"n": 1,
"p50": 1644.9
},
"2026": {
"n": 3,
"p50": 1288
}
},
"refreshed_at": "2026-09-18T22:37:38.604Z"
}
],
"suppliers": [
{
"slug": "silvera-ciencia-e-ingenieria",
"name": "SILVERA CIENCIA E INGENIERIA SA DE CV",
"total_contracts": 340,
"total_awarded_amount": "81225169.30",
"median_amount": "70854.54",
"distinct_buyers": 41,
"first_contract_at": "2023-03-10T00:00:00.000Z",
"last_contract_at": "2026-09-15T00:00:00.000Z",
"with_this_buyer": {
"contracts": 115,
"amount": "10729132.83"
},
"refreshed_at": "2026-09-20T04:43:00.057Z"
}
],
"buyer": {
"slug": "cinvestav",
"name": "CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL",
"total_procedures": 6205,
"distinct_suppliers": 1314,
"procedures_by_type": {
"LICITACIÓN PÚBLICA": 34,
"ADJUDICACIÓN DIRECTA": 6052,
"INVITACIÓN A CUANDO MENOS TRES PERSONAS": 116,
"CONTRATO ESPECÍFICO DERIVADO DE ACUERDO MARCO": 3
},
"refreshed_at": "2026-09-26T00:00:02.312Z"
}
},
"alternates": [],
"similar": [
{
"numero_procedimiento": "aa-11-l4j-011l4j995-n-280-2024",
"nombre_procedimiento": "PRODUCTOS QUIMICOS",
"dependencia": "CINVESTAV",
"siglas": "CINVESTAV",
"score": 0.16625302039068668,
"anio_ejercicio": 2024,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2024-04-30T14:27:02.000Z",
"ganador": "IMPORTADORA DE SUMINISTROS PARA LA CIENCIA E INVESTIGACION SA DE",
"ganador_slug": "importadora-de-suministros-para-la-ciencia-e-investigacion-sa-de",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "46157.56"
},
{
"numero_procedimiento": "aa-11-l4j-011l4j995-n-221-2023",
"nombre_procedimiento": "REACTIVOS EXCLUSIVOS PARA USO INVESTIGACION CIENTIFICA",
"dependencia": "CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL",
"siglas": "CINVESTAV",
"score": 0.18919770782007383,
"anio_ejercicio": 2023,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2023-06-21T19:43:29.000Z",
"ganador": "CONTROL TECNICO Y REPRESENTACIONES SA DE CV",
"ganador_slug": "control-tecnico-y-representaciones",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "36117.76"
},
{
"numero_procedimiento": "aa-11-l4j-011l4j995-n-364-2025",
"nombre_procedimiento": "PRODUCTOS QUIMICOS BASICOS",
"dependencia": "CINVESTAV",
"siglas": "CINVESTAV",
"score": 0.19066190719603915,
"anio_ejercicio": 2025,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2025-08-26T17:07:53.000Z",
"ganador": "CONTROL TECNICO Y REPRESENTACIONES SA DE CV",
"ganador_slug": "control-tecnico-y-representaciones",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "121974.00"
},
{
"numero_procedimiento": "aa-08-izc-008izc999-n-225-2024",
"nombre_procedimiento": "ADQUISICIÓN DE PROGESTERONA Y ESTRADIOL ELISA RUO PARA EL POSGRADO DE GANADERÍA",
"dependencia": "COLEGIO DE POSTGRADUADOS",
"siglas": "COLPOS",
"score": 0.19283103942870516,
"anio_ejercicio": 2024,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2024-05-30T15:12:31.000Z",
"ganador": "UNIPARTS SA DE CV",
"ganador_slug": "uniparts",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "105006.74"
},
{
"numero_procedimiento": "aa-11-l4j-011l4j995-n-230-2025",
"nombre_procedimiento": "G4925 1.\tRAT PG (PROGESTERONE) ELISA KIT. SIZE: 96T. MARCA XPRESSBIO CAT FN-TEST",
"dependencia": "CINVESTAV",
"siglas": "CINVESTAV",
"score": 0.19286327404598602,
"anio_ejercicio": 2025,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2025-06-24T14:28:58.000Z",
"ganador": "MARIA SOCORRO DATHOLLI DE CIRIZA SOSA",
"ganador_slug": "maria-socorro-datholli-de-ciriza-sosa",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "42966.40"
},
{
"numero_procedimiento": "aa-11-l4j-011l4j995-n-395-2025",
"nombre_procedimiento": "MATERIAL DE LABORATORIO TOXICOLOGIA",
"dependencia": "CINVESTAV",
"siglas": "CINVESTAV",
"score": 0.1986327171325627,
"anio_ejercicio": 2025,
"estatus": "ADJUDICADO",
"fecha_fallo": null,
"fecha_publicacion": "2025-08-28T16:37:50.000Z",
"ganador": "MIGUEL ANGEL ORTIZ LOPEZ",
"ganador_slug": "miguel-angel-ortiz-lopez",
"ganador_rfc_type": null,
"ganadores": "1",
"monto_mxn": "107079.60"
}
]
}