{
  "html_url": "https://postor.com.mx/adjudicacion/aa-11-l4j-011l4j993-n-51-2026",
  "canonical": "https://postor.com.mx/adjudicacion/aa-11-l4j-011l4j993-n-51-2026",
  "id": "556a31d4b6ca27a2e063a61200a97db2",
  "procedure_number": "AA-11-L4J-011L4J993-N-51-2026",
  "file_number": "E-2026-00071364",
  "title": "SUMINISTRO DE GASES PARA LOS LABORATORIOS DE FÍSICA APLICADA DE LA UNIDAD MÉRIDA",
  "description": {
    "short": "Adquisiciones, arrendamientos y servicios, dentro de los montos máximos establecidos en el PEF.",
    "detailed": "SUMINISTRO DE GASES PARA LOS LABORATORIOS DE FÍSICA APLICADA DE LA UNIDAD MÉRIDA:\nAIRE EXTRASECO O2 19.5% - 23.5 % H2O < 10 PPM EN CILINDRO DE ACERO DE 8.89 M3.\nNITROGENO 4.8 (99.998%) ALTA PUREZA O2 < 1 PPM H2O < 2 PPM THC < 0.5 PPM N2 < 5 PPM EN CILINDRO DE ACERO DE 8.69 M3.\nARGON 5.0 (99.999%) ULTRA ALTA PUREZA O2 < 1 PPM H2O < 3 PPM THC < 0.5 PPM N2 < 4 PPM EN CILINDRO DE ACERO DE 9.37 M3.\nBIOXIDO DE CARBONO INDUSTRIAL EN CILINDRO DE ACERO DE 25 KG.\nHELIO 5.0 (99.999%) ULTRA ALTA PUREZA O2 < 1 PPM H2O < 2 PPM THC < 0.5 PPM N2 < 5 PPM EN CILINDRO DE ACERO DE 5.95 M3.\nNITROGENO 5.0 (99.999%) ULTRA ALTA PUREZA: O2 < 1 PPM H2O < 3 PPM THC < 0.5 PPM EN CILINDRO DE ACERO DE 8.69 M3, CGA580\nMEZCLA GRADO ESTANDAR CERTIFICADO HIDROGENO 7% BALANCE ARGON EN CILINDRO DE ACERO DE 4 M3, CGA 350.\nOXIGENO 5.0 (99.999%) GRADO INVESTIGACION H2O < 3 PPM N2 < 1 PPM THC < 0.1 PPM CO2 < 1 PPM CO < 1 PPM AR < 1 PPM KR < 1 PPM XE < 1 PPM H2 < 0.1 PPM HE < 0.1 PPM EN CILINDRO DE ACERO DE 9.49 M3.\nOXÍGENO MEDICINAL. EN CILINDRO DE ACERO DE 9.49 M3"
  },
  "lifecycle": {
    "section": "concluido",
    "source_status": "ADJUDICADO",
    "moved_at": null
  },
  "buyer": {
    "agency": "CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL",
    "acronym": "CINVESTAV",
    "branch": "11 - EDUCACIÓN PÚBLICA",
    "buying_unit": "UNIDAD MERIDA",
    "requesting_unit": null,
    "requesting_group": "UNIDAD MERIDA",
    "entity": null,
    "slug": "cinvestav",
    "unit_slug": "unidad-merida-011l4j993"
  },
  "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": "REQ.6191-2026",
    "supply_source_number": null
  },
  "schedule": {
    "published_at": "2026-06-29T19:14:18.000Z",
    "clarification_meeting_at": null,
    "clarification_questions_deadline_at": null,
    "clarification_responses_deadline_at": null,
    "bid_opening_at": "2026-06-25T19:30:00.000Z",
    "award_at": null,
    "estimated_contract_at": "2026-06-30T06:00:00.000Z",
    "site_visit_at": null,
    "estimated_work_start_at": null
  },
  "locations": {
    "state_id": "31",
    "state": "YUCATÁN",
    "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": "Forma de pago: Transferencia\nPlazo: 17 días hábiles contados a partir del envío y verificación de la recepción de la factura respectiva Previa entrega de los bienes y/o prestación de los servicios.",
    "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": "ELECTRÓNICA",
    "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": false,
    "duration_days": null,
    "procurement_term": "Normal",
    "subcontracted_work": null,
    "deadline_justification": null
  },
  "lots": [
    {
      "number": "1",
      "name": "CINVESTAV-UM | DESCRIPCION DE PRODUCTO(S) - REQ FNO. 6191-2026",
      "description": "REQ FNO. 6191-2026",
      "requirement_group_id": "306157",
      "items": [
        {
          "number": "1",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "AIRE EXTRASECO\nO2 19.5% - 23.5 %\nH2O < 10 PPM\nEN CILINDRO DE ACERO DE 8.89 M3.",
          "requested_quantity": "5",
          "minimum_quantity": "5",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "2",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "OXIGENO 5.0 (99.999%) GRADO INVESTIGACION\nH2O < 3 PPM\nN2 < 1 PPM\nTHC < 0.1 PPM CO2 < 1 PPM\nCO < 1 PPM\nAR < 1 PPM\nKR < 1 PPM\nXE < 1 PPM\nH2 < 0.1 PPM\nHE < 0.1 PPM\nEN CILINDRO DE ACERO DE 9.49 M3.",
          "requested_quantity": "2",
          "minimum_quantity": "2",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "3",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "MEZCLA GRADO ESTANDAR CERTIFICADO\nHIDROGENO 7%\nBALANCE ARGON\nEN CILINDRO DE ACERO DE 4 M3, CGA 350.",
          "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"
        },
        {
          "number": "4",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "NITROGENO 5.0 (99.999%) ULTRA ALTA PUREZA:\nO2 < 1 PPM\nH2O < 3 PPM\nTHC < 0.5 PPM\nEN CILINDRO DE ACERO DE 8.69 M3, CGA580",
          "requested_quantity": "6",
          "minimum_quantity": "6",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "5",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "OXÍGENO MEDICINAL.\nEN CILINDRO DE ACERO DE 9.49 M3",
          "requested_quantity": "4",
          "minimum_quantity": "4",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "6",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "BIOXIDO DE CARBONO INDUSTRIAL\nEN CILINDRO DE ACERO DE 25 KG.",
          "requested_quantity": "4",
          "minimum_quantity": "4",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "7",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "ARGON 5.0 (99.999%) ULTRA ALTA PUREZA\nO2 < 1 PPM\nH2O < 3 PPM\nTHC < 0.5 PPM\nN2 < 4 PPM\nEN CILINDRO DE ACERO DE 9.37 M3.",
          "requested_quantity": "2",
          "minimum_quantity": "2",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "8",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "NITROGENO 4.8 (99.998%) ALTA PUREZA\nO2 < 1 PPM\nH2O < 2 PPM\nTHC < 0.5 PPM\nN2 < 5 PPM\nEN CILINDRO DE ACERO DE 8.69 M3.",
          "requested_quantity": "13",
          "minimum_quantity": "13",
          "maximum_quantity": null,
          "unit": "PIEZA",
          "minimum_amount": null,
          "maximum_amount": null,
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "9",
          "cucop_code": "25101-0049",
          "specific_item_code": "25101",
          "cucop_description": "COMPUESTO QUIMICO",
          "description": "HELIO 5.0 (99.999%) ULTRA ALTA PUREZA\nO2 < 1 PPM\nH2O < 2 PPM\nTHC < 0.5 PPM\nN2 < 5 PPM\nEN CILINDRO DE ACERO DE 5.95 M3.",
          "requested_quantity": "2",
          "minimum_quantity": "2",
          "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-2026-00059475",
      "internal_reference": "CINVESTAV-M-SA-2026-44",
      "title": "SUMINISTRO DE GASES PARA LOS LABORATORIOS DE FÍSICA APLICADA DE LA UNIDAD MÉRIDA",
      "status": "PUBLICADO",
      "contractor": {
        "name": "PRAXAIR MEXICO S DE RL DE CV",
        "normalized_name": "PRAXAIR MEXICO",
        "rfc_type": null,
        "slug": "praxair-mexico"
      },
      "contract_period": {
        "published_at": "2026-06-30T00:08:37.000Z",
        "starts_at": "2026-06-29T06:00:00.000Z",
        "ends_at": "2026-12-31T06:00:00.000Z"
      },
      "value": {
        "subtotal": "294925.43",
        "tax": "46231.47",
        "total": "341156.9",
        "maximum_subtotal": "0",
        "maximum_total": "0",
        "currency": "MXN"
      },
      "open_contract_type": null,
      "quantity": null,
      "exercised_quantity": null,
      "participants": [],
      "line_items": [
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "AIRE EXTRASECO\nO2 19.5% - 23.5 %\nH2O < 10 PPM\nEN CILINDRO DE ACERO DE 8.89 M3.",
          "unit": "PIEZA",
          "requested_quantity": "5",
          "awarded_quantity": null,
          "unit_price": "1862.46",
          "subtotal": "9312.3",
          "tax": "1489.97",
          "other_taxes": null,
          "total": "10802.27",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "NITROGENO 4.8 (99.998%) ALTA PUREZA\nO2 < 1 PPM\nH2O < 2 PPM\nTHC < 0.5 PPM\nN2 < 5 PPM\nEN CILINDRO DE ACERO DE 8.69 M3.",
          "unit": "PIEZA",
          "requested_quantity": "13",
          "awarded_quantity": null,
          "unit_price": "2189.57",
          "subtotal": "28464.41",
          "tax": "4554.31",
          "other_taxes": null,
          "total": "33018.72",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "ARGON 5.0 (99.999%) ULTRA ALTA PUREZA\nO2 < 1 PPM\nH2O < 3 PPM\nTHC < 0.5 PPM\nN2 < 4 PPM\nEN CILINDRO DE ACERO DE 9.37 M3.",
          "unit": "PIEZA",
          "requested_quantity": "2",
          "awarded_quantity": null,
          "unit_price": "7771.85",
          "subtotal": "15543.7",
          "tax": "2486.99",
          "other_taxes": null,
          "total": "18030.69",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "BIOXIDO DE CARBONO INDUSTRIAL\nEN CILINDRO DE ACERO DE 25 KG.",
          "unit": "PIEZA",
          "requested_quantity": "4",
          "awarded_quantity": null,
          "unit_price": "2203.2",
          "subtotal": "8812.8",
          "tax": "1410.05",
          "other_taxes": null,
          "total": "10222.85",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "HELIO 5.0 (99.999%) ULTRA ALTA PUREZA\nO2 < 1 PPM\nH2O < 2 PPM\nTHC < 0.5 PPM\nN2 < 5 PPM\nEN CILINDRO DE ACERO DE 5.95 M3.",
          "unit": "PIEZA",
          "requested_quantity": "2",
          "awarded_quantity": null,
          "unit_price": "73905.43",
          "subtotal": "147810.86",
          "tax": "23649.74",
          "other_taxes": null,
          "total": "171460.6",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "NITROGENO 5.0 (99.999%) ULTRA ALTA PUREZA:\nO2 < 1 PPM\nH2O < 3 PPM\nTHC < 0.5 PPM\nEN CILINDRO DE ACERO DE 8.69 M3, CGA580",
          "unit": "PIEZA",
          "requested_quantity": "6",
          "awarded_quantity": null,
          "unit_price": "5461.25",
          "subtotal": "32767.5",
          "tax": "5242.8",
          "other_taxes": null,
          "total": "38010.3",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "MEZCLA GRADO ESTANDAR CERTIFICADO\nHIDROGENO 7%\nBALANCE ARGON\nEN CILINDRO DE ACERO DE 4 M3, CGA 350.",
          "unit": "PIEZA",
          "requested_quantity": "1",
          "awarded_quantity": null,
          "unit_price": "16000",
          "subtotal": "16000",
          "tax": "2560",
          "other_taxes": null,
          "total": "18560",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "OXIGENO 5.0 (99.999%) GRADO INVESTIGACION\nH2O < 3 PPM\nN2 < 1 PPM\nTHC < 0.1 PPM CO2 < 1 PPM\nCO < 1 PPM\nAR < 1 PPM\nKR < 1 PPM\nXE < 1 PPM\nH2 < 0.1 PPM\nHE < 0.1 PPM\nEN CILINDRO DE ACERO DE 9.49 M3.",
          "unit": "PIEZA",
          "requested_quantity": "2",
          "awarded_quantity": null,
          "unit_price": "15117.57",
          "subtotal": "30235.14",
          "tax": "4837.62",
          "other_taxes": null,
          "total": "35072.76",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        },
        {
          "number": "0",
          "cucop_code": "25101-0049",
          "description": "OXÍGENO MEDICINAL.\nEN CILINDRO DE ACERO DE 9.49 M3",
          "unit": "PIEZA",
          "requested_quantity": "4",
          "awarded_quantity": null,
          "unit_price": "1494.68",
          "subtotal": "5978.72",
          "tax": null,
          "other_taxes": null,
          "total": "5978.72",
          "cucop_description": "COMPUESTO QUIMICO",
          "partida_code": "25101",
          "partida_description": "PRODUCTOS QUÍMICOS BÁSICOS"
        }
      ]
    }
  ],
  "documents": [
    {
      "id": null,
      "annex_number": 1,
      "document_type": null,
      "description": "ANEXO TÉCNICO",
      "filename": "Anexo_Tec 6191.pdf",
      "availability": "available",
      "size_bytes": "300675",
      "mime_type": "application/pdf",
      "sha256": null,
      "uploaded_at": "2026-06-30T00:29:54.163Z",
      "updated_at": "2026-06-30T00:29:55.254Z"
    },
    {
      "id": null,
      "annex_number": 4,
      "document_type": null,
      "description": "OFICIO DE NOTIFICACIÓN DE ADJUDICACIÓN",
      "filename": "Nt-M-SA-2026-44.pdf",
      "availability": "available",
      "size_bytes": "70778",
      "mime_type": "application/pdf",
      "sha256": null,
      "uploaded_at": "2026-06-30T00:29:55.030Z",
      "updated_at": "2026-06-30T00:29:55.257Z"
    }
  ],
  "provenance": {
    "source_system": "Compras MX",
    "source_fetched_at": "2026-09-06T20:20:08.420Z",
    "last_seen_at": "2026-09-27T09:46:50.986Z",
    "first_seen_at": "2026-06-30T00:29:48.808Z",
    "detail_complete": true,
    "documents_complete": true,
    "content_changed_at": "2026-06-30T00:29:48.808Z"
  },
  "context": {
    "prices": [
      {
        "cucop_code": "25101-0049",
        "description": "COMPUESTO QUIMICO",
        "priced_items": 9641,
        "units": [
          {
            "n": 6803,
            "max": 446857.16,
            "min": 0.18,
            "p10": 210,
            "p50": 2220.54,
            "p90": 14850,
            "unidad": "PIEZA"
          },
          {
            "n": 1458,
            "max": 234303.56,
            "min": 7.11,
            "p10": 262.741,
            "p50": 3321,
            "p90": 27897.261,
            "unidad": "LITRO"
          },
          {
            "n": 417,
            "max": 107500,
            "min": 1.27,
            "p10": 13.99,
            "p50": 117.45,
            "p90": 1336.656,
            "unidad": "KILOGRAMO"
          },
          {
            "n": 270,
            "max": 77586.21,
            "min": 72.08,
            "p10": 163.368,
            "p50": 2182.08,
            "p90": 12455.3,
            "unidad": "UNIDAD"
          },
          {
            "n": 227,
            "max": 551727.59,
            "min": 46.64,
            "p10": 1238.41,
            "p50": 7942,
            "p90": 34884.178,
            "unidad": "LOTE"
          },
          {
            "n": 225,
            "max": 28382.84,
            "min": 0.01,
            "p10": 0.6373,
            "p50": 830,
            "p90": 2675.328,
            "unidad": "GRAMO"
          },
          {
            "n": 110,
            "max": 21415.86,
            "min": 0.01,
            "p10": 0.05,
            "p50": 119.92,
            "p90": 3655.8,
            "unidad": "MILILITRO"
          },
          {
            "n": 79,
            "max": 179860,
            "min": 22,
            "p10": 274,
            "p50": 2340,
            "p90": 19000,
            "unidad": "METRO CUBICO"
          },
          {
            "n": 26,
            "max": 16211,
            "min": 73,
            "p10": 120,
            "p50": 303.5,
            "p90": 2500.125,
            "unidad": "GALON"
          },
          {
            "n": 17,
            "max": 35301000,
            "min": 95,
            "p10": 408,
            "p50": 77586.21,
            "p90": 8725440.398,
            "unidad": "SERVICIO"
          },
          {
            "n": 3,
            "max": 7864,
            "min": 2271.25,
            "p10": 2292.4,
            "p50": 2377,
            "p90": 6766.6,
            "unidad": "MILIGRAMO"
          },
          {
            "n": 3,
            "max": 13.99,
            "min": 13.99,
            "p10": 13.99,
            "p50": 13.99,
            "p90": 13.99,
            "unidad": "KILOMETRO"
          }
        ],
        "price_by_year": {
          "2023": {
            "n": 4558,
            "p50": 3176.215
          },
          "2024": {
            "n": 2176,
            "p50": 1743
          },
          "2025": {
            "n": 1994,
            "p50": 1379.41
          },
          "2026": {
            "n": 913,
            "p50": 1092
          }
        },
        "refreshed_at": "2026-09-25T21:00:03.055Z"
      }
    ],
    "suppliers": [
      {
        "slug": "praxair-mexico",
        "name": "PRAXAIR MEXICO S DE RL DE CV",
        "total_contracts": 352,
        "total_awarded_amount": "6898574414.91",
        "median_amount": "569687.35",
        "distinct_buyers": 54,
        "first_contract_at": "2023-01-01T00:00:00.000Z",
        "last_contract_at": "2026-10-15T00:00:00.000Z",
        "with_this_buyer": null,
        "refreshed_at": "2026-09-24T18:15:02.258Z"
      }
    ],
    "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-18-t0q-018t0q001-n-11-2025",
      "nombre_procedimiento": "AD GASES ESPECIALES 2025",
      "dependencia": "ININ",
      "siglas": "ININ",
      "score": 0.10919178183029621,
      "anio_ejercicio": 2025,
      "estatus": "ADJUDICADO",
      "fecha_fallo": "2025-03-13T11:00:00.000Z",
      "fecha_publicacion": "2025-03-13T15:43:59.000Z",
      "ganador": "INFRA SA DE CV",
      "ganador_slug": "infra",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "441034.96"
    },
    {
      "numero_procedimiento": "aa-11-b00-011b00001-n-3232-2025",
      "nombre_procedimiento": "ADQUISICIÓN DE GASES PARA LA ESIQIE",
      "dependencia": "IPN",
      "siglas": "IPN",
      "score": 0.11889949795304189,
      "anio_ejercicio": 2025,
      "estatus": "ADJUDICADO",
      "fecha_fallo": null,
      "fecha_publicacion": "2025-07-17T10:39:34.000Z",
      "ganador": "INFRA SA DE CV",
      "ganador_slug": "infra",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "112856.56"
    },
    {
      "numero_procedimiento": "aa-11-l4j-011l4j993-n-50-2026",
      "nombre_procedimiento": "HELIO 5.0 (99.999%) ULTRA ALTA PUREZA",
      "dependencia": "CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL",
      "siglas": "CINVESTAV",
      "score": 0.1207350492477417,
      "anio_ejercicio": 2026,
      "estatus": "ADJUDICADO",
      "fecha_fallo": null,
      "fecha_publicacion": "2026-06-29T13:13:35.000Z",
      "ganador": "PRAXAIR MEXICO S DE RL DE CV",
      "ganador_slug": "praxair-mexico",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "85730.30"
    },
    {
      "numero_procedimiento": "aa-12-ncd-012ncd001-n-37-2025",
      "nombre_procedimiento": "GASES MEDICINALES",
      "dependencia": "INER",
      "siglas": "INER",
      "score": 0.12477421760559082,
      "anio_ejercicio": 2025,
      "estatus": "ADJUDICADO",
      "fecha_fallo": null,
      "fecha_publicacion": "2025-04-04T14:39:17.000Z",
      "ganador": "PRAXAIR MEXICO S DE RL DE CV",
      "ganador_slug": "praxair-mexico",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "12100991.07"
    },
    {
      "numero_procedimiento": "aa-11-l4j-011l4j993-n-77-2024",
      "nombre_procedimiento": "HELIO 5.0 ULTRA ALTA PUREZA",
      "dependencia": "CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL",
      "siglas": "CINVESTAV",
      "score": 0.1348834198574267,
      "anio_ejercicio": 2024,
      "estatus": "ADJUDICADO",
      "fecha_fallo": null,
      "fecha_publicacion": "2024-05-22T15:55:37.000Z",
      "ganador": "PRAXAIR MEXICO S DE RL DE CV",
      "ganador_slug": "praxair-mexico",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "66544.32"
    },
    {
      "numero_procedimiento": "aa-11-l4j-011l4j993-n-135-2023",
      "nombre_procedimiento": "HELIO 5.0 ULTRA ALTA PUREZA (99.999%) CILINDRO 5.95 M3",
      "dependencia": "CINVESTAV",
      "siglas": "CINVESTAV",
      "score": 0.13715684413909912,
      "anio_ejercicio": 2023,
      "estatus": "ADJUDICADO",
      "fecha_fallo": null,
      "fecha_publicacion": "2023-10-10T17:05:36.000Z",
      "ganador": "PRAXAIR MEXICO S DE RL DE CV",
      "ganador_slug": "praxair-mexico",
      "ganador_rfc_type": null,
      "ganadores": "1",
      "monto_mxn": "63375.54"
    }
  ]
}