CAS No. : 611-72-3; 90-64-2 EINECS No.:210-277-1 Molecular weight: 152.16 HS Code: 2918199090 Molecular Formula: C8H8O3 Synonyms:DL-Mandelic acid; Mandelic acid;D-Mandelic acid Mandelic acid is an aromatic alpha hydroxy acid with the molecular formula C6H5CH(OH)CO2H. It is a white crystalline solid that is soluble in water and polar organic solvents. It is a useful precursor to various drugs. Since the molecule is chiral, it exists in either of two enantiomers as well as the racemic mixture, known as paramandelic acid.