High quality/High cost performance Health Beauty Pharmaceutical Powder Melatonine 73-31-4

Min.Order: 1
Product origin: Beijing, China
Infringement complaint: complaintComplaint
US$ 1 ~ 10

Description

Beijing Mesochem Technology Co., Ltd is located in national economic and technological development of Yizhuang, which is a gathering place of world's top 500 enterprises. Devoting to pharmaceutical chemicals, find chemicals, and fundamental chemical material, Mesochem owns independent right of import and export.Based on abundant resources from Beijing various colleges and universities, Mesochem focused on incessant innovation along with research and development of new products. 

  Melatonine  CAS 73-31-4
CERTIFICATE  OF  ANALYSIS           

ItemsStandardResults
APPEARANCEOff white to white powderWhite powder
IDENTIFICATIONA: IR
B: Retention time
Complies
Complies
WATER0.5%0.06%
HEAVY METALS≤0.002%Complies
ISOMERSSFBD1≤0.15%Undetected
 SFBD2≤0.15%Undetected
 SFBE≤0.15%Undetected
RELATED SUBSTANCESSFBA-1≤0.15%0.04%
 SFBMA≤0.15%Undetected
 CHLORO-SFB≤0.15%0.05%
 DiSFBMA-SFB≤0.15%0.02%
 Methyl-SFB≤0.15%Undetected
 Pentafluoro-phenol≤0.15%Undetected
 Amino-SFB≤0.15%Undetected
 Any unknown impurity≤0.1%0.04%
 Total impurity≤1.0%0.21%
RESIDUE SOLBENTSMethanol≤3000ppmUndetected
 Isopropyl alcohol≤5000ppm19ppm
 Dichloromethane≤600ppmUndetected
 Tetrahydrofuran≤720ppmUndetected
 Acetic acid≤5000ppmUndetected
 Toluene≤890ppmUndetected
 Chlorobenzene≤360ppmUndetected
 Methyl tert-butyl ether≤5000ppm103ppm
ASSAY≥99.0%99.8%
RESULT:  It complies to prescribed enterprise standard






 

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