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

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Home > Product > (S)-ethyl 9,10-difluoro-3-methyl-7-o xo-3,7-dihydro-2H-[ 1,4]oxazino[2,3, 4-ij]quinoline-6-carboxylate
Selling leads
(S)-ethyl 9,10-difluoro-3-methyl-7-o xo-3,7-dihydro-2H-[ 1,4]oxazino[2,3, 4-ij]...
Posting date : Sep 11, 2026
Membership
Free Member Scince Jun 22, 2026
FOB Price
1
Min. Order Quantity
10g
Supply Abillity
50000kgs
Port
Beijing
Payment Terms
100% TT in Advance
Package
1
Keyword :
intermediate
Category
Contact
Winnie Wang
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
JINLAN Brand
Model Number
106939-34-8
HS-CODE
-
Package & Delivery Lead Time
Package
1
Delivery Lead Time
7-14
Detailed Description

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 Also known as Levofloxacin cyclization ester and Levofloxacin Impurity M, molecular formula C₁₅H₁₃F₂NO₄, molecular weight 309.26. It is an off-white to pale yellow solid with melting point 258-260°C, slightly soluble in acetic acid, chloroform and hot methanol. It acts as a key intermediate and impurity reference standard for levofloxacin synthesis. Store sealed in dry environment at 2-8°C.

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