ChemicalBook > CAS DataBase List > Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate

Product Name
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
CAS No.
106939-34-8
Chemical Name
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Synonyms
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-benzoxazine-6-carboxylic Acid Ethyl Ester;Ethyl (S)-9;Levofloxacin-13;LEVOFLOXACIN ESTER;Ofloxacin Ethyl Ester;3-dihydro-7H-pyrido[1;LEVOFLOXACINCYCLIZEDESTER;4-benzoxazine-6-carboxylate;10-difluoro-3-methyl-7-oxo-2
CBNumber
CB1949760
Molecular Formula
C15H13F2NO4
Formula Weight
309.26
MOL File
106939-34-8.mol
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Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Property

Melting point:
258-260°C
Boiling point:
442.2±45.0 °C(Predicted)
Density 
1.43±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,2-8°C
solubility 
Acetic Acid (Slightly), Chloroform (Slightly), Methanol (Slightly, Heated)
form 
Solid
pka
-3.62±0.60(Predicted)
color 
Off-White to Light Yellow
CAS DataBase Reference
106939-34-8
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

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N-Bromosuccinimide Price

TRC
Product number
D445748
Product name
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcidEthylEster
Packaging
2g
Price
$240
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD21854
Product name
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ethyl ester
Packaging
500mg
Price
$125
Updated
2021/12/16
AK Scientific
Product number
J52084
Product name
Levofloxacincyclizedester
Packaging
1g
Price
$140
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD21854
Product name
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ethyl ester
Packaging
1g
Price
$185
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD21854
Product name
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ethyl ester
Packaging
2g
Price
$280
Updated
2021/12/16
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Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Chemical Properties,Usage,Production

Chemical Properties

Off-White Pale Yellow Solid

Uses

Levofloxacin intermediate.

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

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Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Suppliers

Canada 1 China 209 India 5 United Kingdom 1 United States 13 Global 229
S.Z. PhyStandard Bio-Tech. Co., Ltd.
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0755-4000505016 13380397412
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0755 28094224
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3001272453@qq.com
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China
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Shijiazhuang Ruitian Biochemical Co. Ltd
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0311-89102030 18031153398
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3212842192@qq.com
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China
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Shanghai Boyle Chemical Co., Ltd.
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021-50182298 021-50180596
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+86-21-57758967
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sales@boylechem.com
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China
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J & K SCIENTIFIC LTD.
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010-82848833 400-666-7788
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jkinfo@jkchemical.com
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Energy Chemical
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021-58436166
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sales8178@energy-chemical.com
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China
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Adamas Reagent, Ltd.
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400-6009262 16621234537
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021-64823266
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zhangsn@titansci.com
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China
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Chemsky（shanghai）International Co.,Ltd.
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021-50135380
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XiaoGan ShenYuan ChemPharm co,ltd
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0712-0712-2580635 15527768850
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Zhejiang Qiming Pharmaceutical Co., Ltd.
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+86-571-87163895 +86-571-87163893
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+86-571-87163816
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sales@qimingpharm.com
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Wuhan TCASChem Technology Co., Ltd.
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027-86697669 13986148687
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86-027-86697669
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sales@tcaschem.com
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China
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View Lastest Price from Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
LEVOFLOXACIN ACID ESTER 106939-34-8
Price
US $0.00/kg
Min. Order
1kg
Purity
99.00%
Supply Ability
20tons
Release date
2023-09-13
Hebei Mojin Biotechnology Co., Ltd
Product
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate 106939-34-8
Price
US $100.00/kg
Min. Order
25kg
Purity
99.99%
Supply Ability
200ton
Release date
2023-08-17
Hebei Guanlang Biotechnology Co., Ltd.
Product
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate 106939-34-8
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5tons
Release date
2021-09-26

106939-34-8, Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylateRelated Search:

Tribenuron methyl Oxygen-fluorine acid Levofloxacin Methyl acetate Thiophanate-methyl 1-AdaMantanethylaMine Chromium picolinate Levofloxacin carboxylic acid 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester Methyl salicylate Quinolinic acid Kresoxim-methyl METSULFURON METHYL 2,5-PYRIDINEDICARBOXYLIC ACID Levofloxacin heMihydrate N-Ethylmethylamine Sulfasalazine Piperazine

  • Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido
  • Levofloxacin cyclization ester
  • 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-carbox
  • ethyl (S)-9,10-difluoro-3-methyl-7- oxo-2,3-dihydro-7H- [1,4]oxazino[2,3,4-ij]quinoline-6- carboxylate
  • 7h-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid, 9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-, Ethyl Ester, (3s)-
  • Levofloxacin carboxylic acid, ethyl ester
  • LEVOFLOXACINCYCLIZEDESTER
  • (3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacidethylester
  • ETHYL (S)-9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLATE
  • Ofloxacin Ethyl Ester
  • ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4] oxazino[2,3,4-ij]quinoline-6- ethyl carboxylate
  • 10-difluoro-3-methyl-7-oxo-2
  • 3-dihydro-7H-pyrido[1
  • 4-benzoxazine-6-carboxylate
  • Ethyl (S)-9
  • 7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID, 9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-, ETHYL ESTER
  • (S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
  • 9,10-Difluoro-3-(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
  • (S)-Ethyl 9,10-difluoro-3-Methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
  • (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxyla
  • Levofloxacin-13
  • Ethyl (S)-9,10-Difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
  • Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy
  • LEVOFLOXACIN ACID ESTER USP/EP/BP
  • (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
  • Ethyl (3S)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
  • LEVOFLOXACIN ESTER
  • Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate or [levofloxacin acid ester
  • Ethyl (3S)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido1,2,3-debenzob1,4oxazine-6-carboxylate
  • Ethyl 8,9-Difluoro-3(S)-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylate
  • 106939-34-8
  • C15H13F2NO4
  • Various Intermediates
  • Intermediates
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • LEVOFLOXACIN INTERMIDATE