4-Methoxy Retinoic Acid CAT No: SZ-I021014 CAS No: 81121-20-2 Mol.F. : C21H30O3 Mol.Wt. : 330.5 Inv. Status: In Stock Rel. CAT No : SZ-T072006, SZ-I021014 CAS No:81121-20-2 Mol.F.: C21H30O3 Mol.Wt.: 330.5 Inv. Status: In Stock