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| Identification |
Specification |
| Name |
D-Biotin |
| Synonyms |
Vitamin H; Vitamin B7; Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid |
| Molecular Structure |
![D-Biotin, Vitamin H, Vitamin B7, Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid, CAS #: 58-85-5](../images/p001.gif) |
| Molecular Formula |
C10H16N2O3S |
| Molecular Weight |
244.31 |
| CAS Registry Number |
58-85-5 |
| EINECS |
200-399-3 |
| Melting point |
231-233 °C |
| alpha |
89 o (c=1, 0.1N NaOH) |
| Packing |
20KG BAG |
| Item |
Specification
(USP26) |
Specification
(EP5.0) |
| Appearance |
A white or off-white crystalline powder |
| Specific rotation |
+89 to +93 |
+89 to +93 |
| Related substances |
- |
Meets the requirements |
| Heavy metals Max |
- |
10ppm |
| Loss on drying, % Max |
- |
1.0 |
| Residue on ignition,% Max |
- |
0.1 |
| Organic volatile impurities |
Meets the requirements |
- |
| Assay (titration),% |
97.5 to 100.5 |
98.5 to 101.0 |
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