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82419-35-0

82419-35-0 structure
82419-35-0 structure
Name 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Synonyms Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic Acid_x000b_(RS-Ofloxacin Cboxylic Acid))
OFLOXACIN Q ACID
DIFLUOROCBOYLIC ACID
Ofloxacin IMpurity A
Ofloxacin Cboxylic Acid
Ofloxacin-1
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3de]-1,4-benzoxazine
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic
Oxygen-fluorine
Oxygen-fluorineacid Ethambutol dihydrochloride
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-DE]-1,4-benz-oxazine-6-cboxylic acid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic Acid (RS-Ofloxacin Cboxylic Acid)
9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CBOXYLIC ACID
9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-cboxylicacid
9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
OTAVA-BB BB0111050010
(RS)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic acid
Ofloxacin impurity A CRS
Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic Acid (RS-Ofloxacin Cboxylic Acid))
9,10-DIFLUORO-2,3-DIHYDRO-3-ME-7-OXO-7H- PYRIDO(1,2,3-DE)1,4-BENZOXAZINE-6-COOH
6,7-Difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,6,8,11-tetraene-11-cboxylic acid
9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxyllic acid
9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7h-Pyroido(1,2,3-De)(1,4)Benzoxazine-6-Cboxylic Acid
MFCD00226106
Ofloxacin Imp. A : (3RS)-9,10-difluoro-3-methyl -7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic acid
RS-Ofloxacin Cboxylic Acid
Ofloxacin Impurity 4(Ofloxacin Impurity A)
AURORA
(RS)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-cboxylic acid (FPA)
Ofloxacin impurity A (O0120010)
(RS)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic Acid
9,10-Difl/1/3/9/7/1/5/1/4/0/0/7/uoro-3-Methyl-7-Oxo
(RS)-9,10-Difluoro-3-methyl-7-oxo-2
9,10-difluoro-2,3-dihydro-3-me-7-oxo-7h-pyrido-1
9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro 7-H-Pyrido-1,2,3-DE]-1,4-Benzoxyazine-6-Cboxylic Acid
7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CBOXYLICACID,9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO
UNII:501W86694Z
OXYGEN-FLUORINE ACID
(+/-)9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]lbenzoxazine-6-cboylic acid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylicAcid>
(RS)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic Acid (FPA)
Ofloxacin Impurity A (Ofloxacin Difluoro Cboxylic Acid)
9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-cboxylic acid
Oxygen fluorine acid(FPA)
Olfoxacin Acid
9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CBO
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-cboxylic acid
Density 1.6±0.1 g/cm3
Boiling Point 459.2±45.0 °C at 760 mmHg
Melting Point 320-322ºC(lit.)
Molecular Formula C13H9F2NO4
Molecular Weight 281.212
Flash Point 231.5±28.7 °C
Exact Mass 281.049957
PSA 68.53000
LogP 0.99
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.636
Storage condition -20?C Freezer
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090
HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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title: CAS No. 82419-35-0 | Chemsrc address: https://m.chemsrc.com/en/baike/598588.html

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