UNSPSC 51151527: Metrifonate or trichlorfon

This classification denotes an acetylcholinesterase inhibitor with the molecular formula C4H8Cl3O4P, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier DBF2DG4G2K, chemically known as 1-hydroxy-2,2,2-trichloroethylphosphonic acid dimethyl ester but generally known as metrifonate, which bears US NIH Compound Identifier 5853. European Medicines Agency schedules Metrifonate in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB08919MIG.

UNSPSC 51151527 Metrifonate or trichlorfon is a Commodity code that tracks pesticide and parasiticide active ingredients, but the recent state and local opportunities tagged to it bear no relation to that scope — they document procurement for naloxone kits, drug deactivation systems, and pharmacy benefit management services, none of which are chemical pesticides or insecticides. The code shows no relevant recent activity aligned with its nominal definition.

The mismatch between the code's intended purpose and the opportunities attributed to it suggests a tagging or classification error in the source data. No state or local procurement activity for metrifonate, trichlorfon, or related parasiticides appears in the recent-opportunities record.