RFX03N: Rifaximin EP Impurity C

RFX03N: Rifaximin EP Impurity C

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Rifaximin BP Impurity C ;

Rifamycin SV Sodium ;

5,6,9,17,19,21-Hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,11(2H)-dione 21-acetate sodium salt ;

CAS # 6998-60-3 (free phenol) ; 14897-39-3 (Na salt) ;

C37H46NNaO12 ;

MW: 719.75 ;