D-Biotin/Vitamin H 98% Pharme Grade

CAS number: 58-85-5

Molecular formula: C10H16N2O3S

molecular weight: 244.3032

Chemical structure:

Product name:    Biotin pure grade

Shelf life: 

Two years
Inspection Standard: USP 36
Descriptiona White or off- white crystalline powderConform
IRMatch with the Reference IR SpectrumConform
Retention timeShould be similar to that of the reference solutionConform
Specific Rotation+89°~+93°+89.95°
Melting Point229℃~232℃, in-house230.5~231.5℃
Individual impurity≤1.0%0.64%
Total impurities≤2.0%1.8%
Loss on Drying≤0.1%, in-house0.07%
Sulfated ash≤0.1%, in-house0.04%
Heavy Metal≤0.001%, in-house<0.001%
Arsenic≤0.0003%, in-house<0.0001%
Conclusion : Conform to USP 36.