CAS: 13929-35-6 - Rifamycin B

Formula: C₃₉H₄₉NO₁₄

InChI: InChI=1S/C39H49NO14/c1-17-11-10-12-18(2)38(49)40-24-15-26(51-16-27(42)43)28-29(34(24)47)33(46)22(6)36-30(28)37(48)39(8,54-36)52-14-13-25(50-9)19(3)35(53-23(7)41)21(5)32(45)20(4)31(17)44/h10-15,17,19-21,25,31-32,35,44-47H,16H2,1-9H3,(H,40,49)(H,42,43)/b11-10-,14-13-,18-12+/t17-,19+,20+,21+,25-,31-,32+,35+,39-/m0/s1

InChI key: InChIKey=SQTCRTQCPJICLD-WFCYQMJWSA-N

SMILES: O=C(O)COC1=CC=2NC(=O)C(=CC=CC(C)C(O)C(C)C(O)C(C)C(OC(=O)C)C(C)C(OC)C=COC3(OC=4C(C3=O)=C1C(C2O)=C(O)C4C)C)C

Synonyms:

• 2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan, rifamycin deriv.
• 4-O-(Carboxymethyl)rifamycin
• Acetic acid, [(1,2-dihydro-5,6,17,19,21-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-9-yl)oxy]-, 21-acetate
• NSC 145604
• Nancimycin
• Rifamycin, 4-O-(carboxymethyl)-
• Rifomycin B
• {[(14E,24E)-21-(acetyloxy)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-9-yl]oxy}acetic acid
• {[(24E)-21-(acetyloxy)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-9-yl]oxy}acetic acid
• {[(2S,16S,17S,18R,19R,20S,21S,22S,23S)-21-(acetyloxy)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-9-yl]oxy}acetic acid

Rifamycin B CRS

CAS: 13929-35-6

• Formula: C₃₉H₄₉NO₁₄
• Molecular weight: 755.8047

Rifamycin, 4-O-(carboxymethyl)-

CAS: 13929-35-6

• Formula: C₃₉H₄₉NO₁₄
• Purity: 95%
• Color and Shape: Solid
• Molecular weight: 755.8047

Rifaximin EP Impurity B (Rifamycin B)

CAS: 13929-35-6

• Formula: C₃₉H₄₉NO₁₄
• Molecular weight: 755.81

Rifamycin B

CAS: 13929-35-6

Impurity Rifaximin EP Impurity B Stability Unstable in solution Applications Rifamycin B (Rifaximin EP Impurity …

• Formula: C₃₉H₄₉NO₁₄
• Color and Shape: Neat
• Molecular weight: 755.80

Rifamycin B

CAS: 13929-35-6

Rifamycin B is a rifamycin antibiotic that inhibits the bacterial enzyme DNA-dependent RNA polymerase. It …

• Formula: C₃₉H₄₉NO₁₄
• Purity: Min. 95%
• Color and Shape: Powder
• Molecular weight: 755.8 g/mol