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R3530

Sigma-Aldrich

Rifabutin

>98% (HPLC), powder, antibiotic

Synonym(s):

Ansamycin, Ansatipine (Farmitalia), LM-427, Mycobutin (Farmitalia)

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About This Item

Empirical Formula (Hill Notation):
C46H62N4O11
CAS Number:
72559-06-9
Molecular Weight:
847.00
UNSPSC Code:
12352200
NACRES:
NA.77

product name

Rifabutin, >98% (HPLC), powder

Assay

>98% (HPLC)

form

powder

storage condition

protect from light

solubility

DMSO: >5 mg/mL

antibiotic activity spectrum

neoplastics

Mode of action

enzyme | inhibits

originator

Johnson & Johnson

shipped in

wet ice

storage temp.

−20°C

InChI

1S/C46H62N4O11/c1-22(2)21-50-18-16-46(17-19-50)48-34-31-32-39(54)28(8)42-33(31)43(56)45(10,61-42)59-20-15-30(58-11)25(5)41(60-29(9)51)27(7)38(53)26(6)37(52)23(3)13-12-14-24(4)44(57)47-36(40(32)55)35(34)49-46/h12-15,20,22-23,25-27,30,37-38,41,49,52-54H,16-19,21H2,1-11H3,(H,47,57)/b13-12+,20-15+,24-14-/t23-,25+,26+,27+,30-,37-,38+,41+,45-/m0/s1

InChI key

ATEBXHFBFRCZMA-VXTBVIBXSA-N

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Biochem/physiol Actions

Rifabutin is an antibiotic; antitumor. Rifabutin interferes with HSP-90 molecular chaperone, enhances ubiquitination and protein degradation, and inactivates bacterial RNA polymerase.

Features and Benefits

This compound was developed by Johnson & Johnson. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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’.

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Marina Pinheiro et al.
Journal of medicinal chemistry, 56(2), 417-426 (2012-12-12)
This work focuses on the interaction of rifabutin (RFB), a naphthalenic ansamycin, with membrane models. Since the therapeutic and toxic effects of this class of drugs are strongly influenced by their lipid affinity, we concerned specifically on the ability of
Frederick A Sirgel et al.
PloS one, 8(3), e59414-e59414 (2013-03-26)
Genetically related Mycobacterium tuberculosis strains with alterations at codon 516 in the rpoB gene were observed amongst a substantial number of patients with drug resistant tuberculosis in the Eastern Cape Province (ECP) of South Africa. Mutations at codon 516 are
Jakko van Ingen et al.
American journal of respiratory and critical care medicine, 186(6), 559-565 (2012-06-30)
Currently recommended multidrug treatment regimens for Mycobacterium avium complex (MAC) lung disease yield limited cure rates. This results, in part, from incomplete understanding of the pharmacokinetics and pharmacodynamics of the drugs. To study pharmacokinetics, pharmacodynamics, and drug interactions of multidrug
Kelly E Dooley et al.
Journal of acquired immune deficiency syndromes (1999), 62(1), 21-27 (2012-10-19)
Cotreatment of tuberculosis (TB) and HIV among coinfected patients is now the standard of care. Rifampin (RIF) is a standard part of TB treatment but is a potent inducer of drug metabolizing enzymes. This study evaluated the effect of RIF
C Y Tay et al.
Alimentary pharmacology & therapeutics, 36(11-12), 1076-1083 (2012-10-18)
Helicobacter pylori eradication rates with standard triple therapy are declining worldwide. The optimal management of H. pylori is evolving and new treatment combinations for antibiotic resistant H. pylori strains are required, especially for patients with penicillin allergy. To review the
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