UNSPSC 51201821: Tiprotimod

This classification denotes an immunostimulant with the molecular formula C10H13NO4S2, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier FZ7ZH245CO, chemically known as 5-thiazoleacetic acid, 2-((3-carboxypropyl)thio)-4-methyl- but generally known as tiprotimod, which bears US NIH Compound Identifier 65890. European Medicines Agency schedules Tiprotimod in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB11110MIG.

UNSPSC 51201821 Tiprotimod is a Commodity code that covers immunobiological agents and vaccines. State and local governments buy vaccines and related immunological products under this code, though recent posted opportunities show a mismatch between the nominal code name (tiprotimod, a synthetic toll-like receptor agonist) and the actual procurement activity. The Mississippi State Department of Health posted a sole source notice for Yellow Fever Vaccine from Sanofi Pasteur on July 13, 2026, with objections due August 3, 2026 — a notice of proposed procurement rather than a standard competitive solicitation. State and local health departments and similar issuing bodies use this code to procure vaccines and immunobiological products.

The code shows limited recent activity in the source. The Mississippi example represents health-department-level procurement in the South, but the broader geographic spread and issuing-body mix across state and local jurisdictions cannot be characterized from a single posted opportunity. The sole source notice for Yellow Fever Vaccine carries no stated quantity, contract term, estimated dollar value, or pricing information, limiting visibility into the scale of procurement under the code. Interested vendors should monitor state health department RFPs and sole source publications, particularly those from state departments of health that regularly manage vaccine procurement, and be prepared to submit written objections to sole source designations if alternative sources exist within the statutory objection window.