CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: tris hydrochloride,tris hydroxymethyl aminomethane hydrochloride,2-amino-2-hydroxymethyl propane-1,3-diol hydrochloride,tromethamine hydrochloride,tris hcl,Tris-HCl,2-amino-2-hydroxymethyl-1,3-propanediol hydrochloride,tris buffer hydrochloride,1,3-propanediol, 2-amino-2-hydroxymethyl-, hydrochloride PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl