Olamufloxacin mesylate

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 576391

CAS#: 167888-07-5

Description: Olamufloxacin mesylate is a fluoroquinolone antibacterial agent.

Chemical Structure

Olamufloxacin mesylate
CAS# 167888-07-5

Theoretical Analysis

MedKoo Cat#: 576391
Name: Olamufloxacin mesylate
CAS#: 167888-07-5
Chemical Formula: C21H27FN4O6S
Exact Mass: 482.1635
Molecular Weight: 482.53
Elemental Analysis: C, 52.27; H, 5.64; F, 3.94; N, 11.61; O, 19.89; S, 6.64

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: HSR 903; HSR-903; HSR903; Olamufloxacin mesilate; Olamufloxacin mesylate

IUPAC/Chemical Name: (S)-5-amino-7-(7-amino-5-azaspiro[2.4]heptan-5-yl)-1-cyclopropyl-6-fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid compound with methanesulfonic acid (1:1)


InChi Code: InChI=1S/C20H23FN4O3.CH4O3S/c1-9-16-13(18(26)11(19(27)28)6-25(16)10-2-3-10)15(23)14(21)17(9)24-7-12(22)20(8-24)4-5-20;1-5(2,3)4/h6,10,12H,2-5,7-8,22-23H2,1H3,(H,27,28);1H3,(H,2,3,4)/t12-;/m1./s1

SMILES Code: Cc1c(N2C[C@@H](N)C3(CC3)C2)c(F)c(N)c4C(=O)C(=CN(C5CC5)c14)C(=O)O.CS(=O)(=O)O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 482.53 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Sun J, Deguchi Y, Tauchi Y, He Z, Cheng G, Morimoto K. Distribution characteristics of orally administered olamufloxacin, a newly synthesized fluoroquinolone antibacterial, in lung epithelial lining fluid and alveolar macrophage in rats. Eur J Pharm Biopharm. 2006 Oct;64(2):238-45. Epub 2006 Jun 23. PubMed PMID: 16875808.

2: Sun J, Sakai S, Tauchi Y, Deguchi Y, Cheng G, Chen J, Morimoto K. Protonation equilibrium and lipophilicity of olamufloxacin (HSR-903), a newly synthesized fluoroquinolone antibacterial. Eur J Pharm Biopharm. 2003 Sep;56(2):223-9. PubMed PMID: 12957636.

3: Yoshizumi S, Takahashi Y, Murata M, Domon H, Furuya N, Ishii Y, Matsumoto T, Ohno A, Tateda K, Miyazaki S, Yamaguchi K. The in vivo activity of olamufloxacin (HSR-903) in systemic and urinary tract infections in mice. J Antimicrob Chemother. 2001 Jul;48(1):137-40. PubMed PMID: 11418525.

4: Jiraskova N. Olamufloxacin. Hokuriku Seiyaku. Curr Opin Investig Drugs. 2000 Sep;1(1):31-4. Review. PubMed PMID: 11249592.

5: Higa F, Arakaki N, Tateyama M, Koide M, Shinzato T, Kawakami K, Saito A. In vitro and in vivo activity of olamufloxacin (HSR-903) against Legionella spp. J Antimicrob Chemother. 2003 Dec;52(6):920-4. Epub 2003 Nov 12. PubMed PMID: 14613952.