Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy (CAS 106939-34-8)

Chinese name: 左氧氟环合酯

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy is registered under CAS 106939-34-8. Molecular formula: C15H13F2NO4. Approximate molecular weight: 309.26. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	106939-34-8
English name	Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy
Chinese name	左氧氟环合酯
Molecular formula	C15H13F2NO4
Molecular weight	309.26
Boiling point	442.2°C at 760 mmHg
Density	1.43g/cm3
Flash point	221.2°C
Refractive index	1.582
Vapor pressure	5.11E-08mmHgat25°C
HS code (ref.)	2934999090

Applications (reference)

左氧氟环合酯(106939-34-8)的用途：
本品是甲磺酸帕诛沙星的中间体。

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is 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 is identified by CAS Registry Number 106939-34-8. Molecular formula: C15H13F2NO4. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 106939-34-8 data?

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Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.