Vitamin H ; d-Biotin ; (3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-valeric acid ; CAS # 58-85-5 ;

D-Biotin Dimer Acid ; Di[3-[(3aS,4S,6aR)-2-oxohexahydrothieno[3,4-d]imidazol-4-yl]propyl]acetic acid ; CAS # 1163708-46-0 ;

Biotin Diacid ; 4-[(3aS,4S,6aR)-2-Oxohexahydrothieno[3,4-d]imidazol-4-yl]butane-1,1-dicarboxylic acid ; CAS # 57671-79-1 ;

5-(3,4-Diamino-2-thienyl)pentanoic acid dihydrochloride ; CAS # 412308-26-0 (base) ;

9-Methyl Biotin ; 2-Methyl-5-[(3aS,4S,6aR)-2-oxohexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid ; CAS # 415725-35-8 ;

Mixture of N1-Benzyl Biotin & N3-Benzyl Biotin ; CAS # 76335-62-1, 57229-92-2 ;

(3aS,4S,6aR)-Hexahydro-2-oxo-1-(phenylmethyl)-1H-thieno[3,4-d]imidazole-4-pentanoic acid ; CAS # 76335-62-1 ;

(3aS,4S,6aR)-Hexahydro-2-oxo-3-(phenylmethyl)-H-thieno[3,4-d]imidazole -4-pentanoic acid ; CAS # 57229-92-2 ;

(3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid 5,5-dioxide ; CAS # 40720-05-6 ;

(3aS,4S,5RS,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid 5-oxide ; CAS # 23015-53-4 ;

(3aS,4S,5S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid 5-oxide ; CAS # 10406-89-0 ;