CAS Registry Number

CAS 27828-71-3 — 5-Hydroxynicotinic acid

5-Hydroxynicotinic acid is a pyridine derivative with a hydroxyl group and carboxylic acid functionality, primarily used as a building block in organic synthesis, pharmaceutical intermediates, and agrochemical research. It serves as a precursor for vitamin B3 derivatives and other biologically active compounds. This chemical has a CAS number of 27828-71-3, a molecular formula of C5H3N(OH)COOH, and a molecular weight of 139.11. It is stored at ambient conditions and carries a signal word of "Warning" under safety regulations. Molekula supplies 5-Hydroxynicotinic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.