UNSPSC 51191950: Thiamine monophosphate disulfide

This classification denotes a b vitamin with the molecular formula C24H36N8O10P2S2, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier HIX040UVAZ, chemically known as formamide, n,n'-(dithiobis[1-methyl-2-(2-(phosphonooxy)ethyl]-2,1-ethenediyl))bis(n-((4-amino-2-methyl-5-pyrimidinyl)methyl)-, but more generally known as thiamine monophosphate disulfide, which bears US NIH Compound Identifier 3034217.

European Medicines Agency schedules thiamine monophosphate disulfide or its base in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB10969MIG. Most nations, for tariff purposes, schedule thiamine monophosphate disulfide under HS 29362200. SMILES: CC1NC(C(CN1)CN(/C(=C(\SS/C(=C(\N(C=O)CC2C(NC(NC2)C)N)/C)/CCOP(=O)(O)O)/CCOP(=O)(O)O)/C)C=O)N.

UNSPSC 51191950 Thiamine monophosphate disulfide, a Commodity code, describes chemical and pharmaceutical products procured by state and local health, water management, and cooperative purchasing entities for medical and operational use. Recent opportunities under this code span chemical supply for municipal water treatment operations and multi-source generic pharmaceuticals and over-the-counter products distributed across participating state and local government facilities through authorized wholesalers. The issuing bodies include municipal utilities, state procurement offices administering multistate cooperative purchasing alliances, and subordinate health and operational facilities within those networks. Vendors must typically maintain significant insurance coverage, comply with regulatory standards (FDA, cGMP, DSCSA), and accept performance bonds and administrative fees where applicable.

Geographic activity centers on the Upper Midwest and Northeast, with the City of Meriden, Connecticut and the Minnesota Multistate Cooperative Purchasing Alliance (MMCAP) representing recent solicitation activity. The City of Meriden issued RFP B027-15 for sodium bisulfite chemical supply to its Water Pollution Control Facility with a response deadline of July 29, 2026, evaluating bids on a unit-cost basis and requiring General Liability coverage of $1,000,000 to $2,000,000. MMCAP, administered by the Minnesota Department of Administration's Office of State Procurement, issued RFP S1070000015802 on January 20, 2026 (response deadline March 26, 2026) to establish multiple contracts for generic pharmaceuticals and OTC products across participating state and local facilities, with evaluation weighted 75 percent on price competitiveness, 10 percent on fixed pricing, and 5 percent each on administrative compliance, EDI capability, and administrative fee acceptance, with awarded vendors effective July 1, 2026.