UNSPSC 51171929: Bismuth tripotassium dicitrate

This classification denotes a cytoprotective agent and anti-ulcer agent with the molecular formula 2C6H5O7.Bi.3K, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier HS813P8QPX, chemically known as 1,2,3-propanetricarboxylic acid, 2-hydroxy-, bismuth(3+) potassium salt (2:1:3) but generally known as bismuth subcitrate, which bears US NIH Compound Identifier 6335486. European Medicines Agency schedules Bismuth subcitrate in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB13089MIG.

World Health Organization schedules bismuth subcitrate in its Anatomical Therapeutic Chemical (ATC) Classification. SMILES: C(C(=O)O)C(CC(=O)[O-])(C(=O)O)O.C(C(=O)O)C(CC(=O)[O-])(C(=O)O)[O-].[K].[K].[K].[Bi+3].

UNSPSC 51171929 Bismuth tripotassium dicitrate is a Commodity code that appears to have minimal direct alignment with recent state and local procurement activity. The three most recent opportunities tagged under or near this code—offender drug testing services from Collin County, Texas, a therapeutic pharmacy initiative RFI from Texas HHS, and a multistate generic pharmaceuticals cooperative purchasing RFP from MMCAP—involve specimen collection, pharmaceutical distribution, and pharmacy benefit management rather than the specific chemical compound the code nominates. The offender testing RFP calls for immunoassay screening and confirmatory testing (LC/MS/MS or GC/MS) but does not specify bismuth tripotassium dicitrate as a reagent or consumable.

The code shows little relevant recent activity. State and local procurement offices have not posted opportunities explicitly soliciting bismuth tripotassium dicitrate or closely related specialty chemicals under this code in the recent record. The mismatch between the code's chemical specificity and the broader pharmaceutical and testing services captured in nearby solicitations suggests either misclassification of opportunities or minimal procurement demand for this particular compound at the state and local level. Firms specializing in fine chemicals, laboratory reagents, or pharmaceutical raw materials should monitor this code and consider whether their product offerings align better with broader chemical supply or laboratory services codes in the UNSPSC taxonomy.