UNSPSC 51131604: Warfarin

Commodity

Code facts

NIGP codes
1

UNSPSC codes and definitions come from the UN Development Programme (managed by GS1 US), and state and local contract opportunities from the governments' procurement sites.

NIGP codes for 51131604

Definition

This classification denotes a coumarin compound and anticoagulant agent with the molecular formula C19H16O4, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 5Q7ZVV76EI, chemically known as 2h-1-benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, & salts, when present at concentrations greater than 0.3% but generally known as warfarin, which bears US NIH Compound Identifier 6691. European Medicines Agency schedules Warfarin in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB00090MIG.

Read the full definition

The term WARFARIN is an International Non-Proprietary Name. World Health Organization schedules warfarin in its Anatomical Therapeutic Chemical (ATC) Classification. WARFARIN is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. As of Q4 2014, WARFARIN remains the US FDA Preferred Term for this commodity. Warfarin bears US NLM identifiers UMLS ID C0043031 and NCI Concept Code C945. SMILES: O1C(O)C(C(CC(=O)C)C2CCCCC2)C(=O)C2C1CCCC2.

About UNSPSC 51131604

UNSPSC 51131604 Warfarin is a Commodity code that nominally covers the anticoagulant pharmaceutical warfarin, but the single recent state and local opportunity posted under this code does not reflect pharmaceutical procurement. Sourcewell, a Minnesota local government unit and service cooperative, issued RFP #061626 on May 12, 2026 (due June 16, 2026) to establish a contracting solution for law enforcement equipment on behalf of its Participating Entities, including Franklin County, Grant County, Grays Harbor County, Chelan County, and Yakima County in Washington and numerous other jurisdictions across the United States and Canada. The cooperative purchasing framework is designed to make the resulting contract available to thousands of governmental agencies, higher education institutions, K-12 school districts, nonprofit organizations, tribal governments, and other public entities. The mismatch between the code's pharmaceutical scope and the actual solicitation content suggests this code sees little relevant recent activity in state and local procurement for warfarin or similar anticoagulant drugs.

The source provides no evidence of pharmaceutical procurement under this code and does not identify the geographic concentration of warfarin purchasing across state and local jurisdictions. Because the single recorded opportunity is a law enforcement equipment RFP unrelated to pharmaceutical procurement, this code does not offer a reliable signal of current state and local demand for warfarin or related anticoagulant products. Business development professionals should treat this code as inactive for purposes of pharmaceutical sales strategy and verify whether state and local health departments, correctional facilities, or other relevant agencies classify warfarin procurement under a different UNSPSC code or procurement channel.

Quick answers

What is UNSPSC 51131604?

UNSPSC 51131604 is Warfarin, a commodity in UNSPSC 51000000, Pharmaceutical Products incl. Contraceptives and Vaccines.

Which NIGP codes match UNSPSC 51131604?

UNSPSC 51131604 maps to 1 NIGP code, 26920 Blood Formation and Coagulation.

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