Pharmaceutical Materials

CAS No.100986-89-8

Name

Levofloxacin carboxylic acid

Synonyms

Levofloxacin acid

Levofluorocarboxylic acid

Levefluorocarboxylic Acid

Levofloxacin carboxylic acid

Levofloxacin USP Related CoMpound B (EP IMpC)

Levo Q Acid(oxa-2.3 dihydro-7H-pyrido[1.2.3-de]-1.4-benzoxazine-6-carboxylic Acid

9.10-difluoro-3-methyl-7-oxo-2.3-dihydro-7H-[1.4]oxazino[2.3.4-ij]quinoline-6-carboxylic acid

(3S)-9.10-difluoro-3-methyl-7-oxo-2.3-dihydro-7H-[1.4]oxazino[2.3.4-ij]quinoline-6-carboxylic acid

(3S)-9.10-Difluoro-2.3-dihydro-3-Methyl-7-oxo-7H-pyrido[1.2.3-de]-1.4-benzoxazine-6-carboxylic Acid

9.10-Difluoro-2.3-dihydro-3-methyl-7-oxo-(3S)-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]benzoxadine-6-carboxylic 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)

Reference Information

Physico-chemical Properties

Molecular Formula    C13H9F2NO4

Molar Mass    281.21

Density    1.61±0.1 g/cm3(Predicted)

Melting Point    >300 °C (lit.)

Boling Point    459.2±45.0 °C(Predicted)

Specific Rotation(α)    ]20/D -64°, c = 1% in DMSO

Flash Point    231.5°C

Solubility    DMSO (Slightly)

Vapor Presure    3.14E-09mmHg at 25°C

Appearance    White solid

Color    White

pKa    4.87±0.40(Predicted)

Storage Condition    Sealed in dry,Room Temperature

Refractive Index    1.635

MDL    MFCD04039905

Physical and Chemical Properties    Melting point> 280°C (dec.)

Use    As an intermediate for the total synthesis of the Antibiotic Levofloxacin

 

Attribute	Description
Chemical Name	Levofloxacin carboxylic acid
CAS Number	100986-89-8
Formula	C13H9F2NO4
Molecular Weight	281.21 g/mol
Synonyms	Levofloxacin Q-acid, Levefluorocarboxylic Acid, (S)-9.10-Difluoro-2.3-dihydro-3-methyl-7-oxo-7H-pyrido[1.2.3-de][1.4]benzoxazine-6-carboxylic acid, etc.
Appearance	White to light yellow powder or crystal
Melting Point	>300 °C (lit.)
Boiling Point	459.2±45.0 °C at 760 mmHg
Density	1.61±0.1 g/cm3 (Predicted)
Flash Point	231.5±28.7 °C
pKa	4.87±0.40 (Predicted)
Solubility	Solubility information not available; consult MSDS for details
Uses	Used as a related compound in the synthesis or study of levofloxacin, an antibiotic drug. It may also have potential applications in the pharmaceutical industry.
Stability	Stable if stored and handled according to specifications. Avoid strong oxidizing agents. Keep container tightly closed and store in a cool, dry place.
Safety Information	May cause skin and eye irritation. Wear appropriate protective clothing and eye protection. Handle with caution and refer to the MSDS for detailed safety information.

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