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keyword:Pivalaldehyde,Pyruvic aldehyde dimethyl acetal,Rifamycin-O,Rifaximin,Levofloxacin Lactate,Cyclic acid,Vitamin B6
     
 
Pivalaldehyde Pyruvic aldehyde dimethyl acetal Rifamycin-O Rifaximin

Cyclic acid
       

 
 

Cyclic acid(The Intermediate of d-Biotin)

Chemical Name:1,3-Dibenzyl-2-imidazolidone-cis-4,5-dicarboxylic acid

CAS NO.:[59564-78-2]

Structure:

Introduction:

An intermediate of D-biotin, the throughput is 500kt/y.

Specification:
 
 

Appearance

white or yellowish white crystalline powder

HPLC Assay

≥98.0%

Melting point

170-179°C

Loss on drying

≤0.5%



       


 
main product:　pivalaldehyde, rifamycin-o, rifaximin