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 price.](/CAS/GIF/106939-34-8.gif)
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- $8 - $2194.5
- 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: 106939-34-8
- MF: C15H13F2NO4
- MW: 309.26
- EINECS:691-244-2
- MDL Number:MFCD09030626
- Synonyms: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
46 prices
Selected condition：
Brand
- aablocks
- AK Scientific
- Alichem
- Ambeed
- American Custom Chemicals Corporation
- Biosynth
- Crysdot
- Matrix Scientific
- Medical Isotopes, Inc.
- Synthonix
- TRC
Package
- 25mg
- 100mg
- 500mg
- 1.00g
- 1g
- 2g
- 5.00g
- 5g
- 10G
- 25g
- 100g
- 0.1kg
- 0.25kg
- 500g
- 0.5kg
- 1kg
- 2kg
- Manufactureraablocks
- Product numberAA007TN8
- Product description(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97%
- Packaging100g
- Price$34
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA007TN8
- Product description(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 98%
- Packaging25g
- Price$12
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA007TN8
- Product description(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97%
- Packaging5g
- Price$8
- Updated2026-05-28
- Buy
- ManufacturerAK Scientific
- Product numberJ52084
- Product descriptionLevofloxacin cyclized ester 95%
- Packaging100g
- Price$45
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberV1618
- Product descriptionLevofloxacin cyclized ester 98%
- Packaging25g
- Price$23
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ10738
- Product descriptionLevofloxacin Impurity 10 98%,powder
- Packaging25mg
- Price$28
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ52084
- Product descriptionLevofloxacin cyclized ester 95%
- Packaging5g
- Price$12
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberV1618
- Product descriptionLevofloxacin cyclized ester 98%
- Packaging5g
- Price$16
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ52084
- Product descriptionLevofloxacin cyclized ester 95%
- Packaging25g
- Price$17
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberV1618
- Product descriptionLevofloxacin cyclized ester 98%
- Packaging100g
- Price$60
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ10738
- Product descriptionLevofloxacin Impurity 10 98%,powder
- Packaging100mg
- Price$68
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ52084
- Product descriptionLevofloxacin cyclized ester 95%
- Packaging500g
- Price$177
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ52084
- Product descriptionLevofloxacincyclizedester
- Packaging1g
- Price$140
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberV1618
- Product descriptionLevofloxacin cyclized ester 98%
- Packaging500g
- Price$237
- Updated2026-06-04
- Buy
- ManufacturerAlichem
- Product number106939348
- Product description(S)-Ethyl9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
- Packaging100g
- Price$153
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA136327
- Product description(S)-Ethyl9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97%
- Packaging5g
- Price$12
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA007TN8 | (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97% | 100g | $34 | 2026-05-28 | Buy |
| aablocks | AA007TN8 | (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 98% | 25g | $12 | 2026-05-28 | Buy |
| aablocks | AA007TN8 | (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97% | 5g | $8 | 2026-05-28 | Buy |
| AK Scientific | J52084 | Levofloxacin cyclized ester 95% | 100g | $45 | 2026-06-04 | Buy |
| AK Scientific | V1618 | Levofloxacin cyclized ester 98% | 25g | $23 | 2026-06-04 | Buy |
| AK Scientific | J10738 | Levofloxacin Impurity 10 98%,powder | 25mg | $28 | 2026-06-04 | Buy |
| AK Scientific | J52084 | Levofloxacin cyclized ester 95% | 5g | $12 | 2026-06-04 | Buy |
| AK Scientific | V1618 | Levofloxacin cyclized ester 98% | 5g | $16 | 2026-06-04 | Buy |
| AK Scientific | J52084 | Levofloxacin cyclized ester 95% | 25g | $17 | 2026-06-04 | Buy |
| AK Scientific | V1618 | Levofloxacin cyclized ester 98% | 100g | $60 | 2026-06-04 | Buy |
| AK Scientific | J10738 | Levofloxacin Impurity 10 98%,powder | 100mg | $68 | 2026-06-04 | Buy |
| AK Scientific | J52084 | Levofloxacin cyclized ester 95% | 500g | $177 | 2026-06-04 | Buy |
| AK Scientific | J52084 | Levofloxacincyclizedester | 1g | $140 | 2021-12-16 | Buy |
| AK Scientific | V1618 | Levofloxacin cyclized ester 98% | 500g | $237 | 2026-06-04 | Buy |
| Alichem | 106939348 | (S)-Ethyl9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate | 100g | $153 | 2021-12-16 | Buy |
| Ambeed | A136327 | (S)-Ethyl9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 97% | 5g | $12 | 2021-12-16 | Buy |
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
InChI :InChI=1S/C15H13F2NO4/c1-3-21-15(20)9-5-18-7(2)6-22-14-11(17)10(16)4-8(12(14)18)13(9)19/h4-5,7H,3,6H2,1-2H3/t7-/m0/s1
InChIKey :TZSXJUSNOOBBOP-ZETCQYMHSA-N
SMILES :O1C2=C(F)C(F)=CC3C(=O)C(C(OCC)=O)=CN(C2=3)[C@@H](C)C1
CAS DataBase Reference :106939-34-8
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
InChI :InChI=1S/C15H13F2NO4/c1-3-21-15(20)9-5-18-7(2)6-22-14-11(17)10(16)4-8(12(14)18)13(9)19/h4-5,7H,3,6H2,1-2H3/t7-/m0/s1
InChIKey :TZSXJUSNOOBBOP-ZETCQYMHSA-N
SMILES :O1C2=C(F)C(F)=CC3C(=O)C(C(OCC)=O)=CN(C2=3)[C@@H](C)C1
CAS DataBase Reference :106939-34-8
Safety Information
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Description
Levofloxacin intermediate.More related product prices
Quinolinic acid Methyl salicylate 112811-71-9 Levofloxacin carboxylic acid Chromium picolinate Rimantadine 2,5-PYRIDINEDICARBOXYLIC ACID 74223-64-6 Kresoxim-methyl Methyl acetate Levofloxacin hydrochloride Oxygen-fluorine acid Tribenuron methyl 138199-71-0 N-Ethylmethylamine Salicylazosulfapyridine Piperazine 1-Piperazinecarbaldehyde (1R)-(-)-10-Camphorsulfonic acidRelated product price
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Quinolinic acid
$5-2381 -
Methyl salicylate
$5-6433.24 -
112811-71-9
$5-900
Suppliers and manufacturers
![Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate](/ProductImageEN/2021-09/small/b2ed2988-5a28-433c-ab6d-601183b6abdb.jpg){kind=small}
![Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate](https://img.chemicalbook.com/ProductImageEN/2019-8/small/13eb2e87-b374-4dba-8713-619d272997eb.png){kind=small}
Hebei Yanxi Chemical Co., Ltd.
Standardpharm Co. Ltd.
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
SIMAGCHEM CORP
Career Henan Chemica Co
LEVOFLOXACIN ACID ESTER
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-carboxy](/ProductImageEN/2020-11/small/bff835f2-6ff5-40ca-bfda-2ccaa8eabb16.png){kind=small}
![Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate](/ProductImageEN/2021-10/small/0f8d8e53-d9b9-4064-87ea-6b8e1611c1c6.jpg){kind=small}