CAS Registry Number

CAS 68399-79-1 — AMPSO (N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid)

AMPSO is a sulfonic acid derivative used in pharmaceutical and biochemical research as a zwitterionic buffer and stabilizer. It is a white to off-white powder with a molecular weight of 227.28 g/mol, a molecular formula of C7H17NO5S, and a CAS number of 68399-79-1. It is stable at ambient temperatures and has no signal word. Molekula supplies AMPSO from research to bulk quantities with full documentation and ISO 9001:2015 traceability.