L-?-Amino-ß-(4-imidazolyl)propionic acid monohydrochloride 

L-Histidine monohydrochloride monohydrate ?99.0% (AT)

• CAS Number: 5934-29-2

• Empirical Formula (Hill Notation): C₆H₉N₃O₂ · HCl · H₂O

• Molecular Weight: 209.63

• Beilstein Registry Number: 4168261

• MDL number: MFCD00151027

• PubChem Substance ID: 24877986