CAS number: 58-85-5
Molecular formula:
molecular weight:
Chemical structure:
Product name: |
Biotin pure grade |
|
|
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. |