UNSPSC 51282310: Azithromycin dihydrate

This classification denotes a macrolide antibiotic with the molecular formula C38H72N2O12.2H2O, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 5FD1131I7S, chemically known as 11-(4-dimethylamino-3-hydroxy-6-methyl-oxan-2-yl)oxy-2-ethyl-3,4,10-trihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyl-oxan-2-yl)oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one but more generally known as azithromycin dihydrate, which bears US NIH Compound Identifier 55185.

UNSPSC 51282310 Azithromycin dihydrate is a Commodity code that represents a single pharmaceutical product line; however, the recent state and local opportunities tagged under this code do not reflect procurement of azithromycin dihydrate itself. Instead, the tagged records show purchasing activity for unrelated pharmaceuticals and medical supplies—doxycycline hyclate, ciprofloxacin hydrochloride, and naloxone with drug deactivation systems. State and local governments acquire antibiotics and emergency medical supplies through piggyback contracts with established pharmaceutical consortiums and through competitive sealed bidding for specialized health and safety products, but the code shows little relevant recent activity aligned with its nominal scope.

The Illinois Department of Public Health awarded a pharmaceutical piggyback contract through the MMCAP Infuse consortium to Chartwell Rx LLC on August 28, 2026, for antibiotic supplies totaling $2,999,999.11 over three years; Seminole County, Florida issued an IFB on June 30, 2026, for naloxone and drug deactivation systems with a response deadline of July 26, 2023. Both solicitations are from different product categories and do not represent current procurement demand for azithromycin dihydrate specifically. The code appears to be a tagging anomaly rather than an active procurement area under this UNSPSC designation.