Name: 利福昔明
Brand: SIGMA

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About This Item

经验公式（希尔记法）:

C₄₃H₅₁N₃O₁₁

CAS Number:

80621-81-4

分子量:

785.88

MDL编号:

MFCD00864973

UNSPSC代码:

51283604

PubChem化学物质编号:

329824049

NACRES:

NA.85

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表单

powder

储存条件

(Keep container tightly closed in a dry and well-ventilated place.)

颜色

red to orange

抗生素抗菌谱

Gram-negative bacteria
Gram-positive bacteria

作用机制

protein synthesis | interferes

储存温度

2-8°C

SMILES字符串

CO[C@H]1\C=C\O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(NC(=O)C(C)=C\C=C\[C@@H](C)[C@@H](O)[C@@H](C)[C@H](O)[C@H](C)[C@H]([C@H]1C)C(=O)OC)c5c(nc6cc(C)ccn56)c4c3C2=O

InChI

1S/C43H51N3O11/c1-19-14-16-46-27(18-19)44-32-29-30-37(49)25(7)39-31(29)40(51)43(8,57-39)56-17-15-26(54-9)22(4)28(42(53)55-10)23(5)36(48)24(6)35(47)20(2)12-11-13-21(3)41(52)45-33(34(32)46)38(30)50/h11-18,20,22-24,26,28,35-36,47-50H,1-10H3,(H,45,52)/b12-11+,17-15+,21-13-/t20-,22+,23-,24-,26+,28+,35-,36-,43+/m1/s1

InChI key

HIYLTQREEOINNF-HTEWPBCCSA-N

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一般描述

Chemical structure: macrolide

应用

Rifaximin is a semisynthetic analog of rifamycin with poor absorptivity. It selectively inhibits (E. coli, B subtilis) bacterial DNA-dependent RNA polymerase by a mechanism similar to rifabutin, β subunit binding. It is effective against aerobic and anaerobic Gram-positive and Gram-negative bacteria. It is active against species of Staphylococcus, Streptococcus and Enterococcus. It is less active against species of Enterobacteriaceae. Rifaximin is a non-systemic, gastrointestinal site-specific antibiotic. It has a pyridoimidazole ring, making it non-absorbable. Rifaximin is a pregnane X receptor (PXR) activator.

生化/生理作用

Rifaximin is a semisynthetic analog of rifamycin with poor absorptivity. Mode of action: selectively inhibits (E. coli, B subtilis) bacterial DNA-dependent RNA polymerase by mechanism similar to rifabutin, β subunit binding.
Antimicrobial spectrum: Aerobic and anaerobic Gram-positive and Gram-negative bacteria. Active against species of Staphylococcus, Streptococcus and Enterococcus; less active against species of Enterobacteriaceae.†

制备说明

Practically insoluble in water, soluble in acetone and methanol.

其他说明

Keep container tightly closed in a dry and well-ventilated place.

储存分类代码

11 - Combustible Solids

WGK

WGK 3

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

0000458081

0000434327

0000389695

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