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Rifabutin
Rifabutin

Item number: Cay16468-10

Rifabutin is a rifamycin antibiotic. It is active against a variety of Gram-positive and Gram-negative bacteria, including 81 clinical isolates of H. pylori (MIC50 = 0.25 µg/ml), as well as S. aureus, S. pyogenes, and C. trachomatis (MICs = 0.004, 0.005, and ~0.008 µg/ml, respectively). Rifabutin (0.5 µg/ml) is also...
Keywords: Ansamycin, LM-427,...
Application: Broad-spectrum rifamycin antibiotic, DNA-dependent RNA polymerase inhibitor
CAS 72559-06-9
MW: 847 D
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Rifampicin
Rifampicin

Item number: Cay14423-100

Rifampicin is a rifamycin antibiotic and inhibitor of bacterial RNA polymerase (IC50 = 0.01 µg/ml for the E. coli enzyme). It inhibits the growth of M. tuberculosis H37Rv in mouse peritoneal macrophages (MIC = 0.8 µg/ml) as well as clinical isolates of various species of Staphylococcus, Streptococcus, Haemophilus,...
Keywords: NIH 10782, NSC 113926, Rifampin, 3-[[(4-methyl-1-piperazinyl)imino]methyl]-rifamycin
Application: Antibacterial Agent
CAS 13292-46-1
MW: 823 D
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3-formyl Rifamycin
3-formyl Rifamycin

Item number: Cay20260-500

3-formyl Rifamycin is an intermediate of rifampicin (Cay-14423) that has been used to develop several rifamycin derivatives with antibiotic activity that targets RNA synthesis.Formal Name: 3-formyl-rifamycin. CAS Number: 13292-22-3. Synonyms: 3-formyl Rifampicin SV, NCI 145-635, Rifaldehyde. Molecular Formula:...
Keywords: 3-formyl Rifampicin SV, NCI 145-635, Rifaldehyde, 3-formyl-rifamycin
Application: Rifampicin intermediate
CAS 13292-22-3
MW: 725.8 D
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Rifapentine
Rifapentine

Item number: Cay20307-50

Rifapentine is a long-lasting rifamycin antibiotic that inhibits DNA-dependent RNA polymerases and is effective against Mycobacterium species, including M. tuberculosis, as well as experimental infections caused by S. aureus, S. pyogenes group A, S. pneumoniae, and K. pneumoniae.Formal Name:...
Keywords: Cyclopentylrifampicin, DL-473, MDL 473, 3-[[(4-cyclopentyl-1-piperazinyl)imino]methyl]-rifamycin
Application: Antibacterial, RNA polymerase inhibitor
CAS 61379-65-5
MW: 877 D
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Rifamycin SV (sodium salt hydrate)
Rifamycin SV (sodium salt hydrate)

Item number: Cay21441-500

Rifamycin SV is a broad-spectrum antibiotic that inhibits bacterial DNA-dependent RNA polymerase. It is effective against Gram-positive bacteria but only moderately active against Gram-negative bacteria.Formal Name: rifamycin, monosodium salt, hydrate. Synonyms: CB 01-11, NSC 146718. Molecular Formula: C37H46NO12 ....
Keywords: CB 01-11, NSC 146718, rifamycin, monosodium salt, hydrate
Application: Broad-spectrum antibiotic, bacterial DNA-dependent RNA polymerase inhibitor
MW: 719.8 D
From 54.00€ *
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Rifaximin
Rifaximin

Item number: Cay16131-100

Rifaximin is an antibiotic derived from rifamycin SV (Cay-21441) that inhibits the growth of a variety of Gram-positive and Gram-negative bacteria in vitro, including Staphylococcus, Streptococcus, Enterococcus, H. influenzae, and N. gonorrhoeae (MIC50s = =0.015, 50 = ~20 µM) that reduces colonic damage, rectal...
Keywords: L 105SV, Rifamycin L 105,...
Application: Antibacterial antibiotic
CAS 80621-81-4
MW: 785.9 D
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Rifaximin-d6
Rifaximin-d6

Item number: Cay26101-500

Rifaximin-d6 is intended for use as an internal standard for the quantification of rifaximin (Cay-16131) by GC- or LC-MS. Rifaximin is an antibiotic derived from rifamycin SV (Cay-21441) that inhibits the growth of a variety of Gram-positive and Gram-negative bacteria in vitro, including Staphylococcus,...
Keywords: (2S,18E,28E)-25S-(acetyloxy)-5,6,21S,23R-tetrahydroxy-27S-methoxy-2,4,11,16Z,20S,22R,24R,26R-octamethyl-2,7-(epoxypentadec...
Application: Antibacterial antibiotic, GC-MS, LC-MS, Internal standard
CAS 1262992-43-7
MW: 791.9 D
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Rifampicin-d3
Rifampicin-d3

Item number: Cay27848-500

Rifampicin-d3 is intended for use as an internal standard for the quantification of rifampicin (Cay-14423) by GC- or LC-MS. Rifampicin is a rifamycin antibiotic and inhibitor of bacterial RNA polymerase (IC50 = 0.01 µg/ml for the E. coli enzyme). It inhibits the growth of M. tuberculosis H37Rv in mouse peritoneal...
Keywords: Rifampin-d3, 3-[[(4-(methyl-d3)-1-piperazinyl)imino]methyl]-rifamycin
Application: GC-MS, LC-MS, Internal standard, Quantification
CAS 1262052-36-7
MW: 826 D
406.00€ *
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Rifabutin-d7
Rifabutin-d7

Item number: Cay28904-500

Rifabutin-d7 is intended for use as an internal standard for the quantification of rifabutin (Cay-16468) by GC- or LC-MS. Rifabutin is a rifamycin antibiotic. It is active against a variety of Gram-positive and Gram-negative bacteria, including 81 clinical isolates of H. pylori (MIC50 = 0.25 µg/ml), as well as S....
Keywords: Ansamycin-d7
Application: GC-MS, LC-MS, internal standard, antibiotic
CAS 2747918-39-2
MW: 854.1 D
611.00€ *
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Rifapentine-d9
Rifapentine-d9

Item number: Cay28708-500

Rifapentine-d9 is intended for use as an internal standard for the quantification of rifapentine (Cay-20307) by GC- or LC-MS. Rifapentine is a long-lasting rifamycin antibiotic that inhibits DNA-dependent RNA polymerases and is effective against Mycobacterium species, including M. tuberculosis, as well as...
Keywords: Cyclopentylrifampicin-d9, 3-[[(4-cyclopentyl-1-piperazinyl)imino]methyl]-rifamycin-d9
Application: GC-MS, LC-MS, Internal standard, Antibacterial, RNA polymerase inhibitor
MW: 886.1 D
From 352.00€ *
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