CAS: 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.851 MDL Number: MFCD00012111 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: methylene blue,methylthioninium chloride,basic blue 9,swiss blue,chromosmon,methylene blue n,methylenium ceruleum,urolene blue,bleu de methylene,methylene blue chloride PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]