Pefloxacin Mesylate - ≥99% , CAS No.70458-95-6

CAS: 70458-95-6 Cat. No.: P129371 Molecular Weight: 429.46 EC Number: 274-613-9
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
1589 mR.B. | STL445507 | (3-hydroxypropyl)carbamic acid tert-butyl ester | 1-Ethyl-6-fluoro-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid methanesulfonate (1:1); 1-Ethyl-6-fluoro-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-qui
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10g
P129371-10g
2

$109.90

$128.90
Save $19.00 (14.74%)
50g
P129371-50g
2

$392.90

$509.90
Save $117.00 (22.95%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1589 mR.B. | STL445507 | (3-hydroxypropyl)carbamic acid tert-butyl ester | 1-Ethyl-6-fluoro-1, 4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid methanesulfonate (1:1); 1-Ethyl-6-fluoro-1, 4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-qui
Specifications & Purity
≥99%
Biochemical and Physiological Mechanisms
Broad spectrum fluoroquinolone antibiotic agent. Inhibits DNA gyrase, topoisomerase II and topoisomerase IV. Shows bactericidal effects against both Gram-positive and Gram-negative bacteria in vivo. Orally active. Blood-brain barrier permeable.
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥99%
Names and Identifiers
Pubchem Sid504756817
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756817
Canonical SmilesCCN1C=C(C(=O)C2=CC(=C(C=C21)N3CCN(CC3)C)F)C(=O)O.CS(=O)(=O)O
IUPAC Name1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid;methanesulfonic acid
InChIKeyHQQSBEDKMRHYME-UHFFFAOYSA-N
INCHI1S/C17H20FN3O3.CH4O3S/c1-3-20-10-12(17(23)24)16(22)11-8-13(18)15(9-14(11)20)21-6-4-19(2)5-7-21;1-5(2,3)4/h8-10H,3-7H2,1-2H3,(H,23,24);1H3,(H,2,3,4)
Isomeric SMILES CCN1C=C(C(=O)C2=CC(=C(C=C21)N3CCN(CC3)C)F)C(=O)O.CS(=O)(=O)O
Molecular Weight 429.46
Reaxy-Rn 4092574
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4092574&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassQuinolines and derivatives
SubclassQuinoline carboxylic acids
Intermediate Tree Nodes Not available
Direct ParentQuinoline carboxylic acids
Alternative Parents Fluoroquinolones  N-arylpiperazines  Haloquinolines  Hydroquinolones  Aminoquinolines and derivatives  Hydroquinolines  Pyridinecarboxylic acids  Dialkylarylamines  N-methylpiperazines  Benzenoids  Aryl fluorides  Vinylogous amides  Methanesulfonates  Alkanesulfonic acids  Organosulfonic acids  Sulfonyls  Heteroaromatic compounds  Amino acids  Trialkylamines  Azacyclic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Organooxygen compounds  Organofluorides  Hydrocarbon derivatives  
Molecular FrameworkNot available
Substituents Quinoline-3-carboxylic acid - Fluoroquinolone - N-arylpiperazine - Haloquinoline - Aminoquinoline - Dihydroquinolone - Dihydroquinoline - Pyridine carboxylic acid - Pyridine carboxylic acid or derivatives - Dialkylarylamine - Tertiary aliphatic/aromatic amine - N-methylpiperazine - N-alkylpiperazine - Benzenoid - Aryl fluoride - Aryl halide - 1,4-diazinane - Piperazine - Pyridine - Alkanesulfonic acid - Methanesulfonate - Heteroaromatic compound - Vinylogous amide - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Tertiary amine - Tertiary aliphatic amine - Amino acid - Amino acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Azacycle - Monocarboxylic acid or derivatives - Organosulfur compound - Hydrocarbon derivative - Organohalogen compound - Amine - Organofluoride - Organic oxide - Organonitrogen compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinoline carboxylic acids. These are quinolines in which the quinoline ring system is substituted by a carboxyl group at one or more positions.
External Descriptors methanesulfonate salt
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HEK293 (82097 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HPGD Tchem 15-hydroxyprostaglandin dehydrogenase [NAD+] (24926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NPC1 Tchem Niemann-Pick C1 protein (18985 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (2672 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BAZ2B Tchem Bromodomain adjacent to zinc finger domain protein 2B (56204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (2517 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Streptococcus (3973 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Klebsiella pneumoniae (43867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryptococcus neoformans (21258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Streptococcus sp. 'group A' (3417 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ska Streptokinase A (5805 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
F1510080Certificate of AnalysisAug 15, 2025 P129371
H2329194Certificate of AnalysisSep 04, 2023 P129371
H2329195Certificate of AnalysisSep 04, 2023 P129371
H2329196Certificate of AnalysisSep 04, 2023 P129371
H2329197Certificate of AnalysisSep 04, 2023 P129371
Chemical and Physical Properties
SolubilityDMSO 14 mg/mL Water 67 mg/mL Ethanol <1 mg/mL
Molecular Weight429.500 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count10
Rotatable Bond Count3
Exact Mass429.137 Da
Monoisotopic Mass429.137 Da
Topological Polar Surface Area127.000 Ų
Heavy Atom Count29
Formal Charge0
Complexity638.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Jia-Yu Zeng, Yu-Qi Liang, Yan-Ni Wu, Xiao-Yi Wu, Jia-Ping Lai, Hui Sun.  (2022)  Synthesis and application of novel N, Si-carbon dots for the ratiometric fluorescent monitoring of the antibiotic balofloxacin in tablets and serum.  RSC Advances,  12  (45): (29585-29594).  [PMID:36320748] [10.1039/D2RA02932D]
2. Qiang Zhang, Shengbao Duan, Yinong Huang, Jingjing Tian, Jia Hu.  (2022)  Dual-band fluorescence detection of double-stranded DNA with QDs-Mn2+-pefloxacin.  COLLOIDS AND SURFACES B-BIOINTERFACES,      [PMID:35753193] [10.1016/j.colsurfb.2022.112649]
3. Yongcheng He, Haohua Liang, Meihua Chen, Licheng Jiang, Zhishen Zhang, Xiaobo Heng, Lin Yang, Yanpeng Hao, Jiulin Gan, Zhongmin Yang.  (2021)  Optical Fiber Waveguiding Soft Photoactuators Exhibiting Giant Reversible Shape Change.  Advanced Optical Materials,  (21): (2101132).  [PMID:] [10.1002/adom.202101132]
4. Liang Wanjun, Liu Zhengqing, Li Dan, Wu Xiaoping, Liu Shaopu, He Youqiu.  (2014)  Quantum dots modified with the Al(III)-pefloxacin complex as a novel bioprobe for the sensitive turn-on and dual-fluorescence detection of dsDNA.  MICROCHIMICA ACTA,  182  (1): (297-306).  [PMID:] [10.1007/s00604-014-1332-4]
5. Guohua Qi, Xingkang Diao, Yu Tian, Dan Sun, Yongdong Jin.  (2024)  Electroactivated SERS Nanoplatform for Rapid and Sensitive Detection and Identification of Tumor-Derived Exosome miRNA.  ANALYTICAL CHEMISTRY,      [PMID:39523538] [10.1021/acs.analchem.4c04402]
6. Huang Xianzhi, Xia Ling, Li Gongke.  (2024)  Gold-grafted melamine sponge as surface-enhanced Raman spectroscopy substrate for enzyme-linked immunoassay of mycotoxins in cereal samples.  MICROCHIMICA ACTA,  191  (12): (1-13).  [PMID:39581912] [10.1007/s00604-024-06831-1]
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