UNSPSC 51183505: Metformin

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 51183505

Definition

This classification denotes an anti-diabetic agent with the molecular formula C4H11N5, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier (SRS UNII) 9100L32L2N, chemically known as 1,1-dimethylbiguanide but more generally known as metformin, which bears US NIH Compound Identifier 4091. European Medicines Agency schedules Metformin in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB08831MIG.

Read the full definition

The term METFORMIN is an International Non-Proprietary Name WHO schedules metformin in its Anatomical Therapeutic Chemical (ATC) Classification. METFORMIN is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations, for tariff and trade purposes, schedule metformin under HS 29252900 and SITC 51482. As of Q4 2014, METFORMIN remains US FDA's Preferred Term for this commodity. Metformin bears US NLM identifiers UMLS ID C0025598 and NCI Concept Code C61612. SMILES: N(C)(C)C(=N)/N=C(/N)N.

About UNSPSC 51183505

UNSPSC 51183505 Metformin is a Commodity code covering pharmaceutical products, specifically diabetes medications supplied through state and local health procurement channels. State and local governments procuring under this code are acquiring metformin and related generic pharmaceuticals through cooperative purchasing agreements for distribution across hospital systems, health departments, correctional facilities, and other public health agencies. The issuing bodies soliciting under the code include state departments of administration, multistate cooperative purchasing alliances (such as MMCAP), and participating member agencies across multiple states. Vendors must meet FDA compliance, current Good Manufacturing Practices (cGMP), and Drug Supply Chain Security Act (DSCSA) requirements, maintain relationships with authorized pharmaceutical wholesalers, and accept performance accountability through administrative fees and penalty structures tied to reporting and onboarding compliance.

The Minnesota Multistate Cooperative Purchasing Alliance (MMCAP), administered by the Minnesota Department of Administration's Office of State Procurement, issued a Request for Proposal (RFP S1070000015802) on January 20, 2026 to establish multiple contracts for generic multi-source pharmaceuticals and OTC products with response due March 26, 2026. The procurement spans Minnesota and Oregon, with awarded vendors required to supply products through three authorized wholesalers (AmerisourceBergen Drug Corporation/Cencora, Cardinal Health 110 and 112, and Morris & Dickson Co., LLC) and to maintain comprehensive insurance including $5 million commercial general liability and $2 million network security and privacy liability. Evaluation emphasizes price competitiveness at 75 percent weight, with the remaining 25 percent split among fixed pricing, administrative compliance, EDI capability, and acceptance of a 3 percent administrative fee. Contract awards will be effective July 1, 2026 with a two-year initial term and optional extensions, though specific award values and budget ranges were not disclosed in the solicitation materials.

Quick answers

What is UNSPSC 51183505?

UNSPSC 51183505 is Metformin, a commodity in UNSPSC 51000000, Pharmaceutical Products incl. Contraceptives and Vaccines.

Which NIGP codes match UNSPSC 51183505?

UNSPSC 51183505 maps to 1 NIGP code, 26968 Hormones and Synthetic Substitutes.

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