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
More
Less

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
More
Less

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.

More
Less

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
2g
Price
$280
Updated
2021/12/16
Matrix Scientific
Product number
094167
Product name
(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Purity
95+%
Packaging
1g
Price
$284
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
More
Less

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

More
Less

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 220 India 4 United Kingdom 1 United States 12 Global 238
HBCChem, Inc.
Tel
+1-510-219-6317
Fax
+1-650-486-1361
Email
sales@hbcchem.com
Country
United States
ProdList
10648
Advantage
60
Standardpharm Co. Ltd.
Tel
86-714-3992388
Email
overseasales1@yongstandards.com
Country
United States
ProdList
14332
Advantage
58
Cato Research Chemicals Inc.
Tel
020-81215950 4000-868-328
Email
customer@uwalab.com
Country
United States
ProdList
10404
Advantage
58
Alchem Pharmtech,Inc.
Tel
8485655694
Email
sales@alchempharmtech.com
Country
United States
ProdList
63687
Advantage
58
Aladdin Scientific
Tel
+1-+1(833)-552-7181
Email
sales@aladdinsci.com
Country
United States
ProdList
57505
Advantage
58
Synthonix Inc
Tel
--
Fax
--
Email
info@synthonix.com
Country
United States
ProdList
6872
Advantage
58
Ivy Fine Chemicals
Tel
--
Fax
--
Email
sales@ivychem.com
Country
United States
ProdList
6493
Advantage
58
W & J PharmaChem, Inc.
Tel
--
Fax
--
Email
info@wjpharmachem.com
Country
United States
ProdList
595
Advantage
50
Matrix Scientific
Tel
--
Fax
--
Email
sales@matrixscientific.com
Country
United States
ProdList
6632
Advantage
80
Medical Isotopes
Tel
--
Fax
--
Email
stohler@medicalisotopes.com
Country
United States
ProdList
6181
Advantage
68
Labseeker Inc
Tel
--
Fax
--
Email
marketing@labseeker.com
Country
United States
ProdList
1495
Advantage
55
APAC Pharmaceutical, LLC
Tel
--
Fax
--
Email
sales@apacpharma.com
Country
United States
ProdList
6322
Advantage
38
More
Less

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 Weibang 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
2024-11-29
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

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