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INNER MONGANIA YUANHONG FINE CHEMICAL CO.,LTD
INNER MONGANIA YUANHONG FINE CHEMICAL CO.,LTD
10 YRS
Inner Mongolia, China
Main Products:
3-Amino-3-Azabicyclo[3.3.0]Octane Hydrochloride / 2-Anilino-6-Dibutylamino-3-Methylfluoran / 3-Hydroxy-2-(1,3-Indandione-2-Yl)Quinoline / 2-Amino-3-Methylphenol / 2,2'-Dinitrodibenzyl / 2,4,5-Trifluoro-3-Methoxybenzoyl Chloride / 9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid / (S)-Ethyl 9,10-Difluoro-3-Methyl-7-Oxo-3,7-Dihydro-2H-[1,4]Oxazino[2,3,4-Ij]Quinoline-6-Carboxylate
Inner Mongolia, China
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3-Amino-3-Azabicyclo[3.3.0]Octane Hydrochloride
2-Anilino-6-Dibutylamino-3-Methylfluoran
3-Hydroxy-2-(1,3-Indandione-2-Yl)Quinoline
2-Amino-3-Methylphenol
2,2'-Dinitrodibenzyl
2,4,5-Trifluoro-3-Methoxybenzoyl Chloride
9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid
(S)-Ethyl 9,10-Difluoro-3-Methyl-7-Oxo-3,7-Dihydro-2H-[1,4]Oxazino[2,3,4-Ij]Quinoline-6-Carboxylate
![9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid](https://res.chemball.com/upload2/50edf272-3953-4e0d-a40f-76e5d8ee14b4.png?x-oss-process=image/resize,m_fill,w_500,h_500)
![9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid](https://res.chemball.com/upload2/51f2ea39-88b4-419b-8a60-d2912ebfff7a.jpg?x-oss-process=image/resize,m_fill,w_300,h_300)
9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid / CAS 82419-35-0
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DESCRIPTION
Uses: for production of antibiotics
Typical Properties
Summary
This product is mainly used as an intermediate in the synthesis of ofloxacin.
CAS No.
82419-35-0
Formula
C13H9F2NO4
Molecular Mass
281.21200
Exact Mass
281.05000
PSA
68.53000
Logp
1.93130
IUPAC
6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
SMILES
CC1COC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O
Attribute classification
Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Chemical and Physical Properties
Melting Point
320-322ºC(lit.)
Density
1.61 g/cm3
Boiling Point
459.2ºC
Flash Point
231.5ºC
Appearance
Grey to yellow powder
Acidity and Basicity
alkalinity acidness
Export information
HS Code
29349990
Export Rebate
10%
Risk Code
R36/37/38
Safety Label
Xi
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