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

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
Molecular Weight:
309.26
MDL Number:
MFCD09030626
MOL File:
106939-34-8.mol
MSDS File:
SDS
Last updated:2023-09-13 13:56:49

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

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

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H319-H315-H335
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC D445748 (S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcidEthylEster 106939-34-8 2g $240 2021-12-16 Buy
Biosynth Carbosynth FD21854 (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 106939-34-8 2g $280 2021-12-16 Buy
Matrix Scientific 094167 (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 95+% 106939-34-8 1g $284 2021-12-16 Buy
Biosynth Carbosynth FD21854 (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 106939-34-8 500mg $125 2021-12-16 Buy
AK Scientific J52084 Levofloxacincyclizedester 106939-34-8 1g $140 2021-12-16 Buy
Product number Packaging Price Buy
D445748 2g $240 Buy
FD21854 2g $280 Buy
094167 1g $284 Buy
FD21854 500mg $125 Buy
J52084 1g $140 Buy

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,Uses,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

Global( 229)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Mojin Biotechnology Co., Ltd
+8613288715578 sales@hbmojin.com China 12456 58
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Accela ChemBio Inc.
(+1)-858-699-3322 info@accelachem.com United States 19965 58
Hebei Guanlang Biotechnology Co., Ltd.
+86-19930503282 alice@crovellbio.com China 8823 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63711 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49390 58
Hebei Yanxi Chemical Co., Ltd.
+8617531190177 peter@yan-xi.com China 5993 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17367 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
LEVOFLOXACIN ACID ESTER pictures 2023-09-13 LEVOFLOXACIN ACID ESTER
106939-34-8
US $0.00 / kg 1kg 99.00% 20tons Hebei Yanxi Chemical Co., Ltd.
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate pictures 2023-08-18 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
US $100.00 / kg 25kg 99.99% 200ton Hebei Mojin Biotechnology Co., Ltd
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate pictures 2021-11-15 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
US $100.00 / KG 100g 99% 500ton/Month Qiuxian Baitai New Material Co., LTD
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido Levofloxacin cyclization ester (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 7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID, 9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-, 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 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 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 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 (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