... -5 Empirical formula:C17H20N4O6 Appearance:oringe yellow powder Riboflavin VITAMIN B2, LACTOFLAVIN, FLAVINSynonyms: 7,8-dimethyl-10 ( ... D-ribityl) isoalloxazine, B-complex vitamin, Dolo-Neurotrat, flavin, flavine, lactoflavin, riboflavine, vitamin B2, vitamin G.CAS NO: 83-88- ... the dried basis.Characteristic: Tan needle crystal powder, has a low solubility.Usage And Functions: Riboflavin is beneficial ...