Levofloxacin carboxylic acid

CAS No.：100986-89-8

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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Levofloxacin carboxylic acid Basic information

Product Name:	Levofloxacin carboxylic acid
Synonyms:	Levefluorocarboxylic Acid;Levofloxacin Related Compound B (35 mg) ((S)-9,10,difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid);Levo Q Acid(oxa-2,3 dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacid,9,10-difluoro-2,3-dihydro-3-Methyl-7-oxo-,(3S)-;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 97+%;(3S)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxadine-6-carboxylic Acid;Levofloxacin USP Related CoMpound B (EP IMpC)
CAS:	100986-89-8
MF:	C13H9F2NO4
MW:	281.21
EINECS:	1533716-785-6
Product Categories:	Benzoxazines;Chiral Building Blocks;LEVOFLOXACIN INTERMIDATE;Heterocyclic Building Blocks;Aromatics;Chiral Reagents;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals
Mol File:	100986-89-8.mol

Levofloxacin carboxylic acid Chemical Properties

Melting point	>300 °C (lit.)
Boiling point	459.2±45.0 °C(Predicted)
density	1.61±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly)
pka	4.87±0.40(Predicted)
form	neat
color	White
optical activity	[α]20/D -64°, c = 1% in DMSO
CAS DataBase Reference	100986-89-8(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38-36/37/3
Safety Statements	26-36
WGK Germany	3
HS Code	29349990

MSDS Information

Provider	Language
SigmaAldrich	English

Levofloxacin carboxylic acid Usage And Synthesis

Chemical Properties	White Solid
Uses	Levofloxacin intermediate.

Levofloxacin carboxylic acid Preparation Products And Raw materials

Raw materials

Levofloxacin Impurity 18-->2,3,4,5-Tetrafluorobenzoyl chloride-->Levofloxacin Tetrafluoro Impurity 1-->ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate-->Levofloxacin Tetrafluoro Impurity 2-->Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate-->Ethyl 2,3,4,5-tetrafluorobenzoyl acetate

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