ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

CAS No.: 110548-06-6

Chemical Name:: ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

Synonyms: Levofloxacin-11;Levofloacin Impurity 9;Levofloacin Impurity K;Levofloxacin Impurity K;Levofloxacin Impurity 47;(R)-ethyl 9,10-difluoro-3-methyl-;ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate;ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-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, (3R)-;Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

CBNumber:: CB63110771

Molecular Formula:: C15H13F2NO4

Molecular Weight:: 309.26

MOL File:: 110548-06-6.mol

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ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Properties

Melting point	254-255 °C(Solv: ethanol (64-17-5))
Boiling point	442.2±45.0 °C(Predicted)
Density	1.43±0.1 g/cm3(Predicted)
pka	-3.62±0.60(Predicted)

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Suppliers

Global( 47)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	China	30253	58	Inquiry
AFINE CHEMICALS LIMITED	+86-0571-85134551	China	15395	58	Inquiry
AstaTech(Chengdu) Biopharmaceutical Corp.	+86-02882666559 +86-15884417729	China	308	58	Inquiry
China National Standard Pharmaceutical Corporation Limited	+8615391658522	China	11927	58	Inquiry
Tan-Mo Technology Co., Ltd.	19850211281	China	1980	58	Inquiry
Shanghai Zerui Biotechnology Co., Ltd.	021-54580889 18321124657	China	10614	58	Inquiry
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd	18502726233; 18502726233	China	9486	58	Inquiry
BOC Sciences	1-631-485-4226; 16314854226	United States	14059	65	Inquiry
Shenzhen Qingtian Biotechnology Co, Ltd.	18823167005 18162969855	China	2628	58	Inquiry
Shanghai YuZn Pharm. Technology Co.,Ltd.	15921286451; 15921286451	China	5061	58	Inquiry

Supplier	Advantage
Career Henan Chemica Co	58
AFINE CHEMICALS LIMITED	58
AstaTech(Chengdu) Biopharmaceutical Corp.	58
China National Standard Pharmaceutical Corporation Limited	58
Tan-Mo Technology Co., Ltd.	58
Shanghai Zerui Biotechnology Co., Ltd.	58
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd	58
BOC Sciences	65
Shenzhen Qingtian Biotechnology Co, Ltd.	58
Shanghai YuZn Pharm. Technology Co.,Ltd.	58

110548-06-6(ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate)Related Search:

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ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Levofloxacin Impurity K Levofloacin Impurity K ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate Levofloacin Impurity 9 Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Levofloxacin-11 (R)-ethyl 9,10-difluoro-3-methyl- 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3R)- Levofloxacin Impurity 47 110548-06-6