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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
 
 
 
HOME > PRODUCTS CENTER > PRODUCTS  
 
    Cephalosporin Side Chains and Other Intermediates
[ 3,4-Dihydro-7-Hydroxy-2(1H)-Quinolinone ]
7-HQ   CAS No. 22246-18-0
 
 
 
1. Structure:
 
 

2. Molecular Formula: C9H9NO2
3. Molecular Weight: 163.17

 
 
4. Specifications:
 
 

Appearance

Pinkish- White Crystalline Powder

 
Assay (HPLC)(on dry basis)
≥ 98.5%
 
Melting Point
228 ~ 234 °C
 
Water (K.F.)
≤ 1.0%
 
Residue on ignition
≤ 0.5%
 
5. Usage: Intermediate for Aripiprazole
6. Packing: 25 kg/drum