Shanghai Nianxing Industrial Co., Ltd
China
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
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
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
Price: ￥768.0/100g ￥288.0/25g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
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
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

106939-34-8

106939-34-8 structure

106939-34-8 structure

Name: Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
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
CAS Number: 106939-34-8
Molecular Formula: C₁₅H₁₃F₂NO₄
Molecular Weight: 309.265
Create Date: 2018-06-17 18:12:39
Modify Date: 2024-01-03 08:15:29

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	Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate (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 Levofiexacin acid ester T666 1A M BN EO KVT&&J C1 Gf HF LVO2 &&S Form 7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)- (-)-ethyl 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate ethyl (S)-(-)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate Ethyl (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Levofloxacin cyclized ester (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[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)- (S)-ethyl-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylate Levofloxacin Ethyl Ester

Density	1.4±0.1 g/cm3
Boiling Point	442.2±45.0 °C at 760 mmHg
Melting Point	258-260ºC
Molecular Formula	C₁₅H₁₃F₂NO₄
Molecular Weight	309.265
Flash Point	221.2±28.7 °C
Exact Mass	309.081268
PSA	57.53000
LogP	1.28
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.582

HS Code	2934999090

106939-42-8 structure

106939-42-8

87-13-8 structure

87-13-8

~68%

106939-34-8 structure

106939-34-8

Literature: EP368410 A3, ;

110548-02-2 structure

110548-02-2

~%

106939-34-8 structure

106939-34-8

Literature: WO2006/48889 A1, ; Page/Page column 16-17 ;

113472-54-1 structure

113472-54-1

~74%

106939-34-8 structure

106939-34-8

Literature: Chemical and pharmaceutical bulletin, , vol. 35, # 5 p. 1896 - 1902

91040-39-0 structure

91040-39-0

~%

106939-34-8 structure

106939-34-8

Literature: Chemical and pharmaceutical bulletin, , vol. 35, # 5 p. 1896 - 1902

100986-87-6 structure

100986-87-6

~%

106939-34-8 structure

106939-34-8

Literature: Chemical and pharmaceutical bulletin, , vol. 35, # 5 p. 1896 - 1902

100986-91-2 structure

100986-91-2

~%

106939-34-8 structure

106939-34-8

Literature: Chemical and pharmaceutical bulletin, , vol. 35, # 5 p. 1896 - 1902

106939-31-5 structure

106939-31-5

~%

106939-34-8 structure

106939-34-8

Literature: Chemical and pharmaceutical bulletin, , vol. 35, # 5 p. 1896 - 1902

Precursor 5
106939-42-8 87-13-8 110548-02-2 113472-54-1
106939-31-5
DownStream 1
100986-89-8

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%