Description Thiazine Red R (C.I. 14780), 98+%, 1g For Research & Development Not for drug, human, animal, or food use Specifications: Appearance (Color) Dark purple Appearance (Form) PowderLoss on Drying <3%Purity (HPLC) 98+% CAS: 2150-33-6 FORMULA: C24H15N3Na2O7S3