CAS 942-91-6 appears in our catalog under these names: S-(Thiobenzoyl)thioglycolic Acid, >97.0%(GC)(T), 2-((Phenylcarbonothioyl)thio)acetic acid 97%, S-(THIOBENZOYL)THIOGLYCOLIC ACID, 99%, Acetic acid, 2-[(phenylthioxomethyl)thio]-, 97%, 97%, [(phenylcarbonothioyl)thio]acetic acid, 98%. Offered by: TCI, Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 5g, 25g, 1g, 100g, 10G, 250mg.