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Home > Products > Pharmaceuticals & Life Science > Pharmaceutical Intermediates > 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 structure, CAS 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-carboxylate

CAS Number106939-34-8

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

Molecular FormulaC15H13O4N1F2

Molecular Weight309.27

Purity98.00%

Density1.4±0.1 g/cm3

Boiling Point442.2±45.0 °C at 760 mmHg

Melting Point258-260ºC

Flash Point

AppearanceOff-white light yellow solid

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Cat. No.: 2A-9050312 Purity: 98.00%
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Quality Control of [ 106939-34-8 ] Purity: 98.00% SDS Specification MoL

COA NMR CNMR HPLC LC-MS
Chemical & Physical Properties
CAS Number106939-34-8
Catalog No.2A-9050312
Chinese Name左氧氟环合酯
SynonymsEthyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate; Levofiexacin acid ester; T666 1A M BN EO KVT&&J C1 Gf HF LVO2 &&S Form; (-)-ethyl 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; Levofloxacin Ethyl Ester
Molecular FormulaC15H13O4N1F2
Molecular Weight309.27
Purity98.00
Density1.4±0.1 g/cm3
Boiling Point442.2±45.0 °C at 760 mmHg
Melting Point258-260ºC
AppearanceOff-white light yellow solid
Storage Conditionroom temperature, dry
HTC2934999090
MDL NumberMFCD09030626
SMILESCCOC(=O)c1cn2c3c(c(F)c(F)cc3c1=O)OCC2C
InChI KeyTZSXJUSNOOBBOP-ZETCQYMHSA-N
MSDSmsds/50312_1_106939_34_8.pdf
Tax Rebate13.0%
SupervisionNone. MFN tariff: 6.5%. Ordinary tariff: 20.0%
Transport InfoProduct name: Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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