CAS: 80621-81-4 - 2,7-(Epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione, 25-(acetyloxy)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-, (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-

Formula: C₄₃H₅₁N₃O₁₁

InChI: InChI=1S/C43H51N3O11/c1-19-14-16-46-28(18-19)44-32-29-30-37(50)25(7)40-31(29)41(52)43(9,57-40)55-17-15-27(54-10)22(4)39(56-26(8)47)24(6)36(49)23(5)35(48)20(2)12-11-13-21(3)42(53)45-33(34(32)46)38(30)51/h11-18,20,22-24,27,35-36,39,48-51H,1-10H3,(H,45,53)/b12-11+,17-15+,21-13-/t20-,22+,23+,24+,27-,35-,36+,39+,43-/m0/s1

InChI key: InChIKey=NZCRJKRKKOLAOJ-XRCRFVBUSA-N

SMILES: O=C(OC1C(C)C(OC)C=COC2(OC3=C(C2=O)C=4C=5N=C6C=C(C=CN6C5C(NC(=O)C(=CC=CC(C)C(O)C(C)C(O)C1C)C)=C(O)C4C(O)=C3C)C)C)C

Synonyms:

• (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-25-(Acetyloxy)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione
• (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23,25-Pentahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione,25-acetate
• 2,7-(Epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione, 25-(acetyloxy)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-, [2S-(2R*,16Z,18E,20R*,21R*,22S*,23S*,24S*,25R*,26S*,27R*,28E)]-
• L 105
• L 105 (ansamacrolide antibiotic)
• L 105Sv
• Normix
• Refaximin
• Rifamycin L 105
• Rifamycin L 105SV
• Rifaximin
• Xifaxan
• Xifaxanta

Rifaximin

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: >97.0%(HPLC)(N)
• Color and Shape: Orange to Brown powder to crystal
• Molecular weight: 785.89

Rifaximin CRS

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Color and Shape: Crystalline Powder. Red. Orange. Powder.
• Molecular weight: 785.8785

Rifaximin for system suitability CRS

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Molecular weight: 785.8785

2,7-(Epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione,25-(acetyloxy)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-,(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: 97%
• Color and Shape: Solid
• Molecular weight: 785.8785

Rifaximin

CAS: 80621-81-4

Rifaximin: an oral semi-synthetic antibiotic from rifamycin SV; targets bacterial RNA polymerase to halt growth.

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: 97.92% - 99.18%
• Color and Shape: Red-Orange Crystalline Powder
• Molecular weight: 785.88

Rifaximin, Ph. Eur. grade

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: ≤ 0.1%
• Color and Shape: Red-orange crystalline powder
• Molecular weight: 785.88

Rifaximin

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: 98.0 - 102.0 % (dried basis)
• Color and Shape: Red-orange powder
• Molecular weight: 785.88

Rifaximin

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Color and Shape: Orange Solid
• Molecular weight: 785.89

Rifaximin

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Color and Shape: Neat
• Molecular weight: 785.88

Rifaximin 1000 µg/mL in Acetonitrile

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Color and Shape: Single Solution
• Molecular weight: 785.88

Rifaximin

CAS: 80621-81-4

Stability Hygroscopic Applications Non-absorbable semisynthetic Rifamycin antibiotic. References Brufani, M., et al.: J. Antibiot., 37, …

• Formula: C₄₃H₅₁N₃O₁₁
• Color and Shape: Red
• Molecular weight: 785.88

Rifaximin

CAS: 80621-81-4

Rifaximin is a non-steroidal anti-inflammatory drug (NSAID) that has been shown to reduce the symptoms …

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: Min. 98 Area-%
• Color and Shape: Red Powder
• Molecular weight: 785.88 g/mol

Rifaximin (RFX) extrapure, 98%

CAS: 80621-81-4

• Formula: C₄₃H₅₁N₃O₁₁
• Purity: min. 98%
• Color and Shape: Orange to red brown, Powder, Clear, Red to brown
• Molecular weight: 785.88