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利福平 Rifampicin

所属分类:抗生素
商品编号:R3501
商品规格:250mg分装
计量单位:
库存现状:100
参考价:¥280
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商品简介

详细说明

Sigma R3501      利福平 Rifampicin

产品详细说明:

Synonym 3-(4-Methylpiperazinyliminomethyl)rifamycin SV

Rifampin

Rifamycin AMP

Molecular Formula C 43 H 58 N 4 O 12

Molecular Weight: 822.94

CAS Number: 13292-46-1

Descriptions:

Biochem/physiol Actions: Inhibits the assembly of DNA and protein into mature virus particles.

Mode of Action: Inhibits initiation of RNA synthesis by binding to β

subunit of RNA polymerase.

Properties:

assay ……………………………………………………95% (HPLC)

form………………………………………………………powder

color ……………………………………………………orange-brown to red-brown

solubility …………………………………………………H 2 O: 1.3 mg/mL pH 4.3

DMSO: 100 mg/mL

H 2 O: 2.5 mg/mL at 25 °C pH 7.3

storage temp……………………………………………−20°C

Risk Statements: 22-36/37/38

Safety Statements: 26-36

TEST

SPECIFICATION

APPEARANCE

ORANGE-BROWN TO RED-BROWN POWDER

SOLUBILITY

CLEAR DARK ORANGE TO BROWN SOLUTION 50MG/ML IN CHLOROFORM

IR SPECTRUM

CONSISTENT WITH STRUCTURE

PURITY BY HPLC

APPROX. 95%

RECOMMENDED RETEST

6 YEARS

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