CAS: 298-96-4 Molecular Formula: C19H15ClN4 Molecular Weight (g/mol): 334.81 MDL Number: MFCD00011963 InChI Key: PKDBCJSWQUOKDO-UHFFFAOYSA-M Synonym: 2,3,5-triphenyltetrazolium chloride,tetrazolium red,uroscreen,red tetrazolium,urocheck,vitastain,tetrazolium chloride,triphenyltetrazolium chloride,2,3,5-triphenyl-2h-tetrazolium chloride,tetrazolium chloride PubChem CID: 9283 ChEBI: CHEBI:78019 IUPAC Name: 2,3,5-triphenyltetrazol-2-ium;chloride SMILES: [Cl-].C1=CC=C(C=C1)N1N=C(N=[N+]1C1=CC=CC=C1)C1=CC=CC=C1