Shanghai PengMo Biotechnology Co.ltd |
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Main Application
1. Bulk D-Biotin Powder can improve immune response and resistance
of human body;
2. Bulk D-Biotin Powder can maintain normal growth and development
of biology ;
3. Bulk D-Biotin Powder deficiency will help to the bone growth for
childhood growth;
4. Bulk D-Biotin Powder is the essential nutrients of the retina;
It has strong effect on human eye health;
Item | |
Assay | |
Identification | A)IR: To match with the Reference IR pectram. |
B) TLC: The principal spot in the chromatogram obtained with test
solution is similar in position and size to the prinicipal spot in
the chromatogram obtained with reference solution | |
C) Color reaction: The bromine water is decolourised | |
Appearance of solution | Clear and colourised |
Specific rotation | +89.0~+93.0° |
Melting range | 229℃~232℃ |
Related substances | Any impurity ≤5ppm, |
at most one impurity ≥0.25% | |
Heavy metals | ≤10ppm |
Loss on drying | ≤1.0% |
Sulfated ash | ≤0.1% |
Lead | ≤0.2% |
Appearance | White or off-white crystalline powder |