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CHINESE
 
 
 
 
 
 
 
 
 
Non-ion Contrast Agent Series
 
 
Levofloxacin and Intermediates
 
 
APIs
 
 
Protective Amino-acid Series
 
 
Cephalosporin Nucleus Series
 
 
Tetrazole Series
 
 
Cephalosporin Side Chains and Other Intermediates
 
 
 
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    Cephalosporin Side Chains and Other Intermediates
[ 2-[2-(Boc-L-alanyl)aminothaizol-4-yl]-2-methoxyimino acetic acid (Syn-isomer) ]
BOC-L-alanyl Oxamidine acid(Syn-isomer)    CAS No. 88970-81-4
 
 
 
1. Structure:
 
 
2. Molecular Formula:C14H20N4O6S
3. Molecular Weight: 372.46
 
 
4. Specifications:
 
 

Appearance

White crystalline powder

 
Identification
IR
 
Assay
≥ 99%(on dry basis)
 
Melting Point
174-177 °C
 
Water (K.F.)
≤ 0.5%
 
5. Usage: Synthesis for cephalosporins antibiotics
6. Packing: 25kg/drum