Product name
Levofloxacin Carboxylic Acid
Other name
Levofloxacin Q-Acid; (S)-9, 10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO (1,2,3-DE) 1,4-BENZOXAZINE-6-CARBOXYLIC ACID
CAS NO.
100986-89-8
M.F.
C13H9F2NO4
M.W
281.21200
Structure
EINECS
923-011-0
Chemical Properties
Melting point
>300℃
Density
1.61
Boiling point
459.2 at 760 mmHg
Flash point
93.6ºC
Safety information
Not dangerous goods
Package
Net weight
25KG/drum
Specification
(S)-9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO (1,2,3-DE) 1,4-BENZOXAZINE-6-CARBOXYLIC ACID (LEVOFLOXACIN Q-ACID)
TESTS
SPECIFICATION
RESULTS
Identification
HPLC
Conform
Characteristics
Almost White to light yellow crystalline powder
LVF40-I
≤1.0
0.57
LVF40-II
0.11
LVF40-III
≤0.2
0.18
Max Simple Impurity%
≤0.5
0.36
Residue%
0.16
Total Impurity%
≤2.0
1.64
Assay%
≥98.0
98.57
Conclusion: Conform
Usage
Preparation for levofloxacin
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