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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:
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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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
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
Sivappa Rasapalli et al.
Organic letters, 15(7), 1736-1739 (2013-03-27)
A facile synthesis of the western segment of divergolides C and D has been developed. Exploratory studies with two disconnections, i.e., C4-C5 vs C5-C6, for elaboration of the ansa bridge to the sterically demanding hexasubstituted naphthalenic aromatic core using a
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
J P Gisbert et al.
Alimentary pharmacology & therapeutics, 35(8), 941-947 (2012-03-01)
In some cases, Helicobacter pylori infection persists even after three eradication treatments. To evaluate the efficacy of an empirical fourth-line rescue regimen with rifabutin in patients with three eradication failures. Multicentre, prospective study. In whom the following three treatments had

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