UNSPSC 51181621: Thyrotropin-releasing hormone (trh) or thyrotropin-releasing factor (trf) or thyroliberin or protirelin

This classification denotes a hypothalmic hormone with the molecular formula C16H22N6O4, a preparation that US FDA recognizes as an active ingredient or moiety under Unique Ingredient Identifier 5Y5F15120W, chemically known as l-prolinamide, 5-oxo-l-prolyl-l-histidyl- but more generally known as protirelin, which bears U.S. National Institutes of Health Compound Identifier 32281. The European Medicines Agency schedules Protirelin in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB10142MIG.

UNSPSC 51181621 Thyrotropin-releasing hormone (TRH) or thyrotropin-releasing factor (TRF) or thyroliberin or protirelin is a Commodity code covering a synthetic neurohormone used in diagnostic testing and clinical research. State and local governments procure this agent primarily for use in hospital laboratory and endocrinology departments, where it serves as a stimulation agent in thyroid function assessments and other diagnostic protocols requiring controlled hormonal challenge testing.

The source provides no recent state or local contract opportunities under this code. Without posted solicitation activity, the current market demand, issuing-body mix, geographic concentration, and representative procurement scope cannot be characterized from available records.