7-Dehydrocholesterol product Name: 7-Dehydrocholesterol Synonyms: Provitamine; 7,8-didehydrocholesterol; cholesta-5,7-dien-3-beta-ol; Provitamin D3; cholesta-5,7-dien-3-ol; (3beta)-cholesta-5,7-dien-3-ol Molecular Formula: C27H44O Molecular Weight: 384.6377 CAS Registry Number: 434-16-2 EINECS: 207-100-5 Packing:25kg/Drum Assay:90% Email: cx05 (at) yccreate (dot) com Skype: annaaqq