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Factory Price (4S)-3-[(5S)-5-(4-Fluorophenyl)-5-hydroxypentanoyl]-4-phenyl-1 3-oxazolidin-2-one - (S)-tert-Butyl(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate CAS 144282-37-1 Sitafloxacin Hydrate Intermediate – Ruifu

Manufacturer Supply; High Purity and Competitive Price
Commercial Supply Sitafloxacin Hydrate (CAS: 163253-35-8) Related Intermediates:
3-Chloro-2,4,5-trifluorobenzoic Acid CAS: 101513-77-3
(1R,2S)-2-Fluorocyclopropanamine 4-methylbenzenesulfonate CAS: 143062-84-4
(S)-tert-Butyl(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate CAS: 144282-37-1
Ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate CAS: 101987-86-4

Chemical Name (S)-tert-Butyl(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate 
CAS Number 144282-37-1
CAT Number RF-PI110
Molecular Formula C18H26N2O2
Molecular Weight 302.41
Brand Ruifu Chemical
Item Specifications
Appearance White or Off-White Powder
Specific Rotation [α]D20 -32.0° ~ -37.0°
Moisture (K.F) ≤0.50%
The Biggest Single Impurity ≤0.50%
Total Impurities ≤2.0%
Chemical Purity ≥98.0% (HPLC)
Optical Isomer ≤0.20%
Test Standard Enterprise Standard
Usage Sitafloxacin Hydrate (CAS: 163253-35-8) Intermediates

Package: Bottle, Aluminum foil bag, Cardboard drum, 25kg/Drum, or according to customer's requirement.

Storage Condition: Store in sealed containers at cool and dry place; Protect from light, moisture and pest infestation.

Shanghai Ruifu Chemical Co., Ltd. Commercial Supply Sitafloxacin Hydrate (CAS: 163253-35-8) Related Intermediates:
3-Chloro-2,4,5-trifluorobenzoic Acid CAS: 101513-77-3
(1R,2S)-2-Fluorocyclopropanamine 4-methylbenzenesulfonate CAS: 143062-84-4
(S)-tert-Butyl(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate CAS: 144282-37-1
Ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate CAS: 101987-86-4
Sitafloxacin Hydrate (DU-6859a) is a new-generation, broad-spectrum oral fluoroquinolone antibiotic.
Sitafloxacin Hydrate (DU-6859a) is a potent, orally active fluoroquinolone antibiotic with in vitro activity against a broad range of gram-positive and gram-negative bacteria, including anaerobic bacteria, as well as against atypical pathogens. Sitafloxacin can be used for the research of respiratory tract infection and urinary tract infection.


  • Factory Price (4S)-3-[(5S)-5-(4-Fluorophenyl)-5-hydroxypentanoyl]-4-phenyl-1 3-oxazolidin-2-one - (S)-tert-Butyl(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate CAS 144282-37-1 Sitafloxacin Hydrate Intermediate – Ruifu Related Video: