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MedKoo Cat#: 564090 | Name: Levofloxacin Lactate

Description:

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

Levofloxacin Lactate is a respiratory quinolone antibiotic, exhibiting enhanced activity against the important respiratory pathogen Streptococcus pneumoniae.

Chemical Structure

Levofloxacin Lactate
CAS#294662-18-3

Theoretical Analysis

MedKoo Cat#: 564090

Name: Levofloxacin Lactate

CAS#: 294662-18-3

Chemical Formula: C21H26FN3O7

Exact Mass: 451.1755

Molecular Weight: 451.45

Elemental Analysis: C, 55.87; H, 5.81; F, 4.21; N, 9.31; O, 24.81

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Synonym
Levofloxacin Lactate
IUPAC/Chemical Name
(S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid L-Lactate salt
InChi Key
ONDRRTIAGBDDKP-GBZGCGEDSA-N
InChi Code
InChI=1S/C18H20FN3O4.C3H6O3/c1-10-9-26-17-14-11(16(23)12(18(24)25)8-22(10)14)7-13(19)15(17)21-5-3-20(2)4-6-21;1-2(4)3(5)6/h7-8,10H,3-6,9H2,1-2H3,(H,24,25);2,4H,1H3,(H,5,6)/t10-;2-/m00/s1
SMILES Code
O=C(C1=CN2C3=C(C=C(F)C(N4CCN(C)CC4)=C3OC[C@@H]2C)C1=O)O.O[C@@H](C)C(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
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.03.00
More Info
Product Data
Product Data
Instruction
View handling instruction
Biological target:
Levofloxacin Lactate is a respiratory quinolone antibiotic, exhibiting enhanced activity against the important respiratory pathogen Streptococcus pneumoniae.
In vitro activity:
Levofloxacin exhibited twofold greater inhibitory and bactericidal activities than ofloxacin against either extracellular or intracellular tubercle bacilli. Reference: Antimicrob Agents Chemother. 1994 May;38(5):1161-4. https://pubmed.ncbi.nlm.nih.gov/8067756/
In vivo activity:
This study investigated the toxic effect of levofloxacin (LVFX), a quinolone antibacterial agent, on cartilage by examining aspects of its in vivo toxicokinetics and effect on the function of cultured chondrocytes of the femoral articular cartilage from juvenile New Zealand White rabbits. Repeated administration of LVFX (100 mg/kg) orally for 7 days induced focal necrosis and superficial erosion in the articular cartilage of the femoral condyle, but 30 mg/kg did not. Reference: Antimicrob Agents Chemother. 1995 Sep;39(9):1979-83. https://pubmed.ncbi.nlm.nih.gov/8540702/

Preparing Stock Solutions

The following data is based on the product molecular weight 451.45 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
Formulation protocol:
1. Mor N, Vanderkolk J, Heifets L. Inhibitory and bactericidal activities of levofloxacin against Mycobacterium tuberculosis in vitro and in human macrophages. Antimicrob Agents Chemother. 1994 May;38(5):1161-4. doi: 10.1128/AAC.38.5.1161. PMID: 8067756; PMCID: PMC188169. 2. Fu KP, Lafredo SC, Foleno B, Isaacson DM, Barrett JF, Tobia AJ, Rosenthale ME. In vitro and in vivo antibacterial activities of levofloxacin (l-ofloxacin), an optically active ofloxacin. Antimicrob Agents Chemother. 1992 Apr;36(4):860-6. doi: 10.1128/AAC.36.4.860. Erratum in: Antimicrob Agents Chemother 1992 Aug;36(8):1797. PMID: 1503449; PMCID: PMC189464. 3. Kato M, Takada S, Ogawara S, Takayama S. Effect of levofloxacin on glycosaminoglycan and DNA synthesis of cultured rabbit chondrocytes at concentrations inducing cartilage lesions in vivo. Antimicrob Agents Chemother. 1995 Sep;39(9):1979-83. doi: 10.1128/AAC.39.9.1979. PMID: 8540702; PMCID: PMC162867. 4. JI B, Lounis N, Truffot-Pernot C, Grosset J. In vitro and in vivo activities of levofloxacin against Mycobacterium tuberculosis. Antimicrob Agents Chemother. 1995 Jun;39(6):1341-4. doi: 10.1128/AAC.39.6.1341. PMID: 7574527; PMCID: PMC162738.
In vitro protocol:
1. Mor N, Vanderkolk J, Heifets L. Inhibitory and bactericidal activities of levofloxacin against Mycobacterium tuberculosis in vitro and in human macrophages. Antimicrob Agents Chemother. 1994 May;38(5):1161-4. doi: 10.1128/AAC.38.5.1161. PMID: 8067756; PMCID: PMC188169. 2. Fu KP, Lafredo SC, Foleno B, Isaacson DM, Barrett JF, Tobia AJ, Rosenthale ME. In vitro and in vivo antibacterial activities of levofloxacin (l-ofloxacin), an optically active ofloxacin. Antimicrob Agents Chemother. 1992 Apr;36(4):860-6. doi: 10.1128/AAC.36.4.860. Erratum in: Antimicrob Agents Chemother 1992 Aug;36(8):1797. PMID: 1503449; PMCID: PMC189464.
In vivo protocol:
1. Kato M, Takada S, Ogawara S, Takayama S. Effect of levofloxacin on glycosaminoglycan and DNA synthesis of cultured rabbit chondrocytes at concentrations inducing cartilage lesions in vivo. Antimicrob Agents Chemother. 1995 Sep;39(9):1979-83. doi: 10.1128/AAC.39.9.1979. PMID: 8540702; PMCID: PMC162867. 2. JI B, Lounis N, Truffot-Pernot C, Grosset J. In vitro and in vivo activities of levofloxacin against Mycobacterium tuberculosis. Antimicrob Agents Chemother. 1995 Jun;39(6):1341-4. doi: 10.1128/AAC.39.6.1341. PMID: 7574527; PMCID: PMC162738.
1: Liu S, Rong M, Zhang H, Chen N, Pang F, Chen Z, Wang T, Yan J. In vivo Raman measurement of levofloxacin lactate in blood using a nanoparticle-coated optical fiber probe. Biomed Opt Express. 2016 Feb 8;7(3):810-5. doi: 10.1364/BOE.7.000810. eCollection 2016 Mar 1. PubMed PMID: 27231590; PubMed Central PMCID: PMC4866457.

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