... China origin We are selling the following products with very good price and excellent quality:Vitamin B2 ... , glossitis, ophthalmitis, conjunctivitis, seborrhea, scrotum inflammations with proper effect. In food and feed industry; It ... 1.5%Sulphate ash≤0.3% Limit of lumiflavinMeeting requirementOrganic volatile impuritiesMeeting requirement Vitamin B2, Riboflavin (Vitamin B2) 1. CAS NO.: 83-88-5 2 ...