Product name D-Biotin
CAS NO. 58-85-5
Tests
Standard
Appearance
White to almost white crystalline powder or colorless crystal
Identification IR
Meet the requirement
Loss on drying
0.2%max
Specific rotation
+89.0°~ +93.0°
Solution color and clarity
Solution clarity and the sample should be light in color standard
Melting range
229-232℃
Residue on ignition
0.1%max
Heavy metals
10ug/g max
As
1ug/g max
Related substances(TLC)
Any impurity≤0.5%
At most one impurity≥0.25%
Assay
98.5-100.5%