CAS Registry Number

CAS 22356-80-5 — 2-Hydroxy-4-methylbenzenesulfonic Acid

2-Hydroxy-4-methylbenzenesulfonic acid is an aromatic sulfonic acid used primarily in the synthesis of dyes, pharmaceutical intermediates, and specialty chemicals. It acts as a key building block in organic synthesis due to its reactive hydroxyl and sulfonic acid groups. This chemical has the CAS number 22356-80-5, with a molecular formula of CH3C6H3(OH)SO3H and a molecular weight of 188.20 g/mol. It is stored at ambient conditions but requires careful handling due to its **Danger** classification under GHS. Molekula supplies 2-hydroxy-4-methylbenzenesulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.