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D-Biotin/Vitamin H 98% Pharme Grade

CAS number: 58-85-5

Molecular formula:

molecular weight:

Chemical structure:

Details

Product name:    
Biotin pure grade

Shelf life: 

Two years
Inspection Standard: 
USP 36
Items
Specifications
Results
Description
a White or off- white crystalline powder
Conform
IR
Match with the Reference IR Spectrum
Conform
Retention time
Should be similar to that of the reference solution
Conform
Specific Rotation
+89°~+93°
+89.95°
Assay
97.5%~100.5%
98.29%
Melting Point
229℃~232℃, in-house
230.5~231.5℃
Individual impurity
≤1.0%
0.64%
Total impurities
≤2.0%
1.8%
Loss on Drying
≤0.1%, in-house
0.07%
Sulfated ash
≤0.1%, in-house
0.04%
Heavy Metal
≤0.001%, in-house
<0.001%
Arsenic
≤0.0003%, in-house
<0.0001%
Conclusion : Conform to USP 36.