CAS: 80029-43-2 Molecular Formula: C6H7N3O2 Molecular Weight (g/mol): 153.14 MDL Number: MFCD00065690 InChI Key: PJUPKRYGDFTMTM-UHFFFAOYSA-N Synonym: 1,2,3-Benzotriazol-1-ol, HOBt PubChem CID: 2796029 IUPAC Name: 1H-1,2,3-benzotriazol-1-ol hydrate SMILES: O.ON1N=NC2=CC=CC=C12