Melatonin (CAS:73-31-4)(USP 38)


Melatonin (CAS:73-31-4)(USP 38)

$150.00

Product name:Melatonin

Standard:USP38

CAS No.:73-31-4

Characteristics: A white to off-white crystalline powder. Slightly soluble in water,soluble in acetone, ethyl acetate and methanol.

Packaging and Storage: Preserve in tight containers, protected from light.

Shelf life: 2 Years

 

RESULT  OF  ANALYSIS    
ITEM  STANDARD  Method
Identification IR Usp
UR Usp
HPLC Usp
Chloride and sulfate ≤0.02% Usp
Loss on drying ≤1.0% Usp
Residue on ignition ≤0.1% Usp
Heavy metals As ≤1ppm ≤10ppm Usp
Lead ≤3ppm
Mercuy ≤0.1ppm
Cadmium ≤1ppm
Impurities Individual impurity ≤0.1% Usp
Total  imprity ≤1.0% Usp
Assay(on the dried basis) 98.5~101.5% USP
CONCLUSION: COMPLY WITH THE REQUIREMENTS OF USP38.

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