UNSPSC 51111652: Piritrexim

This classification denotes a folate antagonist and dihydrofolate reductase inhibitor with the molecular formula C17H19N5O2, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier, MK2A783ZUT chemically known as 2,4-diamino-6-(2,5-dimethoxybenzyl)-5-methylpyrido(2,3-d)pyrimidine but generally known as piritrexim, which bears US NIH Compound Identifier 54369. European Medicines Agency schedules Piritrexim in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB09921MIG.

I cannot write a summary for this request. The source provides only a UNSPSC code number (51111652), its chemical name (Piritrexim), and the Commodity tier designation. It contains no information about state and local procurement activity, issuing bodies, recent solicitations, geographic spread, response dates, or representative opportunities under this code.

To produce a useful summary, I would need the <most-recent-state-local-contract-opportunities> block populated with actual state and local RFP, RFQ, IFB, or ITB notices—including the issuing body, scope of work, notice type, and response dates. Without that activity data, I cannot ground the summary in what state and local governments are actually buying under this code or characterize the current market opportunity.

If you have recent solicitation records for UNSPSC 51111652, please provide them and I will write the summary.