Synonyms: 7,8-didehydrocholesterol; 7-dehydrocholesterol; Provitamin D3; CS-I-00099; CS-T-51713; 7-dehydrocholesterol, (3beta,9beta)-isomer; 7-dehydrocholesterol, (3beta,10alpha)-isomer; C016705; 7-dehydrocholesterol, (3beta,9beta,10alpha)-isomer; 434-16-2; Dehydrocholesterol; (-)-7-Dehydrocholesterol; 7,8-Didehydrocholesterol; Cholesta-5,7-dien-3beta-ol; Dehydrocholesterin; delta7-Cholesterol; 7-DHC; (3beta)-Cholesta-5,7-dien-3-ol; 7-dehydrocholesterol, (3alpha)-isomer; 5,7-Cholestadien-3-beta-ol; delta5,7-Cholesterol; UNII-BK1IU07GKF; 7-Dehydrocholesterin; NSC 18159; 5,7-Cholestandien-3beta-ol; Cholesta-5,7-dien-3-beta-ol; 7-dehydro-cholesterol; Cholesta-5,7-dien-3-ol; BK1IU07GKF; 7-dehydrocholesterol, (3beta,10alpha)-isomer; 5,7-cholestadien-3beta-ol; (3beta)-7-Dehydro Cholesterol; CHEBI:17759; UCTLRSWJYQTBFZ-DDPQNLDTSA-N; Cholesta-5,7-dien-3-ol, (3b)-; MFCD00003624; (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol; Provitamin D(sub 3); Caswell No. 902E; delta(sup 7)-Cholesterol; 7-dehydrocholesterol, (3beta,9beta)-isomer; Dehydrocholesterin [German]; delta(sup 5,7)-Cholesterol; Cholesta-5,7-dien-3-ol, (3.beta.)-; 5,7-Cholestandien-3.beta.-ol; EINECS 207-100-5; EPA Pesticide Chemical Code 208700; (3-BETA)-CHOLESTA-5,7-DIEN-3-OL; Cholesta-5,7-dien-3-ol #; 5,7-Cholestadien-3-.beta.-ol; Cholesta-5,7-dien-3.beta.-ol; 7-dehydrocholesterol, (3beta,9beta,10alpha)-isomer; 3beta-Hydroxy-5,7-cholestadiene; cholesta-5,7-dien-3 beta-ol; provitamin-D3; Cholesta-5,7-dien-3-ol, (3beta)-; .DELTA.5,7-Cholestadien-3.beta.-ol; 7,8-dehydro-cholesterol; 7DHC; 5,7-Cholestandien-3-ol; EC 207-100-5; AC1L97BK; 7-DHC; cholesta-5,7-dien-3b-ol; SCHEMBL3447; 5,7-Cholestadien-3|A-ol; 5,7-Cholestadien-3-bet-ol; 3|A-Hydroxy-5,7-cholestadiene; CHEMBL1797131; cholesta-5,7-dien-3 beta -ol; Delta5,7-Cholestadien-3beta-ol; (3b)-Cholesta-5,7-dien-3-ol; 3-bet.-Hydroxy-5,7-cholestadiene; cholesta-5,7-dien-3 beta-ol; 10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol; ZINC3860325; LMST01010069; 7-Dehydrocholesterol (Provitamin D3); Cholesta-5,7-dien-3beta-ol (8CI); SC-75822; 7-Dehydrocholesterol, >=95.0% (HPLC); HY-113279; CS-0059496; FT-0621393; provitamin D(3); C01164; Cholesta-5,7-dien-3-ol, (3-beta)- (9CI); W-106230; Cholesta-5,7-dien-3beta-ol (7,8-Didehydrocholesterol; Provitamin D3); (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol; 17-(1,5-dimethylhexyl)-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol; 7-Cholesterol; provitamin D(3); Cholesterol, 7-dehydro-; cholesta-5,7-dienol; 7-Dehydrocholesterol; .DELTA.7-Cholesterol; .DELTA.5,7-Cholesterol; 7, 8- didehydrocholesterol; (3ss)-7-Dehydro Cholesterol; (3-beta)-7-Dehydrocholesterol; Cholesta-5,7-dien-3-ol,(3b)-; C27-H44-O; CID439423; 7-dehydrocholesterol, (3alpha)-isomer; (3.beta.)-Cholesta-5,7-dien-3-ol;