Rifampicin

Name: Rifampicin
SKU: R3220
Availability: InStock

Product ID R3220

Cas No. 13292-46-1

Purity ≥98%

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Description

Rifampicin is an ansamycin antibiotic that exhibits antibacterial, neuroprotective, and anti-inflammatory activities. Rifampicin inhibits bacterial DNA-dependent RNA polymerase, preventing formation of the initiation complex in transcription and suppressing RNA synthesis; it is active against Mycobacterium and is clinically used to treat tuberculosis. In microglia, rifampicin decreases expression of the 26S protease regulatory subunit (MSS1), suppressing inflammatory cytokine release. Additionally, rifampicin upregulates expression of LRP1 and P-gp at the blood brain barrier, increasing clearance of amyloid-β (Aβ) and displaying potential efficacy in the treatment of Alzheimer’s disease.

Product Info

Cas No.	13292-46-1
Purity	≥98%
Formula	C₄₃H₅₈N₄O₁₂
Formula Wt.	822.94
Chemical Name	3-[[(4-Methyl-1-piperazinyl)imino]methyl]rifamycin
IUPAC Name	[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate
Synonym	Rifampin, Abrifam, Eremfat, Rifa, Rifaldin, Rifoldin
Melting Point	183-188°C (dec)
Solubility	Soluble in DMSO ethyl acetate, methanol and THF. Slightly soluble in water, acetone, and carbon terachloride, chloroform. Water pH 4.3 to 1.3 mg/mL; Water pH 7.3 to 2.5 mg/mL.
Appearance	Red Powder

Shipping and Storage

Store Temp	Ambient
Ship Temp	Ambient

Downloads

MSDS	R3220 MSDS PDF
Info Sheet	R3220 Info Sheet PDF

References

Sharma SK, Sharma A, Kadhiravan T, et al. Rifamycins (rifampicin, rifabutin and rifapentine) compared to isoniazid for preventing tuberculosis in HIV-negative people at risk of active TB. Cochrane Database Syst Rev. 2013 Jul 5;7:CD007545. PMID: 23828580.

Bi W, Jing X, Zhu L, et al. Inhibition of 26S protease regulatory subunit 7 (MSS1) suppresses neuroinflammation. PLoS One. 2012;7(5):e36142. PMID: 22629310.

Qosa H, Abuznait AH, Hill RA, et al. Enhanced brain amyloid-β clearance by rifampicin and caffeine as a possible protective mechanism against Alzheimer's disease. J Alzheimers Dis. 2012;31(1):151-65. PMID: 22504320.

Campbell EA, Korzheva N, Mustaev A, et al. Structural mechanism for rifampicin inhibition of bacterial rna polymerase. Cell. 2001 Mar 23;104(6):901-12. PMID: 11290327.

https://www.genengnews.com/topics/drug-discovery/drug-repositioning/antibiotic-dietary-supplement-combo-improves-cognition-in-mouse-dementia-models/

Goetz J, Keyssner V, Hanses F, et al. Animal experimental investigation on the efficacy of antibiotic therapy with linezolid, vancomycin, cotrimoxazole, and rifampin in treatment of periprosthetic knee joint infections by MSRA. Bone Joint Res. 2022 Mar;11(3):143-151. PMID: 35227086.

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Rifampicin

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