CAS: 50978-45-5 Molecular Formula: C8H5NO4S Molecular Weight (g/mol): 211.19 MDL Number: MFCD23380208 InChI Key: LMPIFZSJKLLOLM-UHFFFAOYSA-N PubChem CID: 54671689 IUPAC Name: 1,1,3-trioxo-2,3-dihydro-1λ⁶,2-benzothiazole-2-carbaldehyde SMILES: O=CN1C(=O)C2=CC=CC=C2S1(=O)=O