... .16816-67-4 M.F:C22H42N4O8S2 M.W:554.72 Appearance:Pale yellow to colorless liquid PantethineCAS NO.16816-67-4M. ... 3,12,16-trioxo-7,8-dithia-4,11,15-triazanonadec-1-yl)-2,4-dihydroxy-3,3-dimethylbutanamide (non-preferred ... (non-preferred name)Molecular FormulaC22H42N4O8S2Molecular Weight554.7209CAS Registry Number16816-67-4;138148-35-3EINECS240-842-8Molecular StructureDensity1.277g/cm3 Pantethine/16816 ...