Synonyms: 3-Amino-5-methyl-thiophene-2-carboxylic acid methyl ester Purity Limit: ≥ 97% (GC) CAS No.: 76575-71-8 Molecular Formula: C7H9NO2S Molecular Weight: 171.22 MDL No.: MFCD00130095 Appearance: Yellow solid Storage Temperature: Store at 0-8 °C