Skip to Content
Merck
All Photos(4)

Key Documents

R3501

Sigma-Aldrich

Rifampicin

≥95% (HPLC), powder or crystals

Synonym(s):

3-(4-Methylpiperazinyliminomethyl)rifamycin SV, Rifampin, Rifamycin AMP

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C43H58N4O12
CAS Number:
Molecular Weight:
822.94
Beilstein:
5723476
EC Number:
MDL number:
UNSPSC Code:
51283601
PubChem Substance ID:
NACRES:
NA.76

Quality Level

Assay

≥95% (HPLC)

form

powder or crystals

color

Reddish-brown

pKa 

1.7 (4-hydroxyl group)
7.9 (4-piperazine nitrogen)

pI 

4.84

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria
mycobacteria
viruses

Mode of action

protein synthesis | interferes

storage temp.

−20°C

SMILES string

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](OC(C)=O)[C@@H]1C)c(\C=N\N5CCN(C)CC5)c(O)c4c3C2=O

InChI

1S/C43H58N4O12/c1-21-12-11-13-22(2)42(55)45-33-28(20-44-47-17-15-46(9)16-18-47)37(52)30-31(38(33)53)36(51)26(6)40-32(30)41(54)43(8,59-40)57-19-14-29(56-10)23(3)39(58-27(7)48)25(5)35(50)24(4)34(21)49/h11-14,19-21,23-25,29,34-35,39,49-53H,15-18H2,1-10H3,(H,45,55)/b12-11+,19-14+,22-13-,44-20+/t21-,23+,24+,25+,29-,34-,35+,39+,43-/m0/s1

InChI key

JQXXHWHPUNPDRT-WLSIYKJHSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Chemical structure: macrolide

Application

Rifampicin is used to treat Tuberculosis and Tuberculosis-related mycobacterial infections. It is widely used as an antipruritic agent in the autoimmune cholestatic liver disease, primary biliary cirrhosis (PBC). It has been shown to cause hepatitis.

Biochem/physiol Actions

Rifampicin inhibits the assembly of DNA and protein into mature virus particles. It inhibits initiation of RNA synthesis by binding to β-subunit of RNA polymerase, which results in cell death.
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.

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Product is sensitive to light and moisture.Store under inert gas. Keep in a dry place

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

M I Prince et al.
Gut, 50(3), 436-439 (2002-02-13)
There is evidence to suggest that rifampicin is an effective second line therapy for controlling pruritus in patients with chronic cholestatic liver disease. It is most widely used as an antipruritic agent in the autoimmune cholestatic liver disease, primary biliary
Samy Figueiredo et al.
Antimicrobial agents and chemotherapy, 53(6), 2657-2659 (2009-03-25)
Two clonally related Acinetobacter baumannii isolates, A1 and A2, were obtained from the same patient. Isolate A2, selected after an imipenem-containing treatment, showed reduced susceptibility to carbapenems. This resistance pattern was related to insertion of the ISAba1 element upstream of
Sandra V Kik et al.
The Journal of infectious diseases, 211 Suppl 2, S58-S66 (2015-03-15)
The potential available market (PAM) for new diagnostics for tuberculosis that meet the specifications of the high-priority target product profiles (TPPs) is currently unknown. We estimated the PAM in 2020 in 4 high-burden countries (South Africa, Brazil, China, and India)
Toril Lindbäck et al.
Veterinary research, 41(1), 8-8 (2009-10-03)
Media-based bacteriological testing will fail to detect non-culturable organisms and the risk of consuming viable but non-culturable (VBNC) Listeria monocytogenes is unknown. We have here studied whether L. monocytogenes obtained from seafoods, processing environment and clinical cases enter the VBNC
Rodney Dawson et al.
Lancet (London, England), 385(9979), 1738-1747 (2015-03-22)
New antituberculosis regimens are urgently needed to shorten tuberculosis treatment. Following on from favourable assessment in a 2 week study, we investigated a novel regimen for efficacy and safety in drug-susceptible and multidrug-resistant (MDR) tuberculosis during the first 8 weeks

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service