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USP

Rifabutin

United States Pharmacopeia (USP) Reference Standard

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:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

rifabutin

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Rifabutin USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Rifabutin Capsules
  • Rifabutin Compounded Oral Suspension

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.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

related product

Product No.
Description
Pricing

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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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B Dautzenberg
Infection, 25(1), 63-66 (1997-01-01)
The MICs of rifabutin on Mycobacterium avium are compatible with its efficacy in clinical infections. Two North American trials established the prophylactic effect of rifabutin in disseminated M. avium disease in AIDS patients. Several prospective non-randomized trials show the clinical
R E Chaisson
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 22 Suppl 1, S61-S66 (1996-04-01)
Patients with advanced human immunodeficiency virus (HIV) disease are at risk for infections caused by protozoa, fungi, viruses, bacteria, and mycobacteria. Chemoprophylaxis is being used increasingly to prevent a growing number of opportunistic infections that occur in HIV-infected patients. Multiple
G Davies et al.
The Cochrane database of systematic reviews, (4)(4), CD005159-CD005159 (2007-10-19)
Rifamycins are an essential component of modern short-course regimens for treating tuberculosis. Rifabutin has favourable pharmacokinetic and pharmacodynamic properties and is less prone to drug-drug interactions than rifampicin. It could contribute to shortening of therapy or simplify treatment in HIV-positive
Anne M Baciewicz et al.
The American journal of the medical sciences, 335(2), 126-136 (2008-02-16)
Rifampin is a potent inducer of cytochrome P-450 oxidative enzymes as well as the P-glycoprotein transport system. Several examples of well-documented clinically significant interactions include warfarin, oral contraceptives, cyclosporine, itraconazole, digoxin, verapamil, nifedipine, simvastatin, midazolam, and human immunodeficiency virus-related protease
Is rifabutin prophylaxis against Mycobacterium avium complex infection in HIV infection worthwhile? The net impact on patients suggests not.
J M Stephenson et al.
Genitourinary medicine, 72(4), 272-276 (1996-08-01)
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