BTN05: Biotin EP Impurity E

BTN05: Biotin EP Impurity E

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Mixture of N1-Benzyl Biotin & N3-Benzyl Biotin ;

5-[(3aS,4S,6aR)-3-Benzyl-2-oxohexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid and 5-[(3aS,4S,6aR)1-benzyl-2-oxohexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid ;

CAS # 76335-62-1, 57229-92-2 ;

C34H44N4O6S2 ;

MW: 668.87 ;