| ≥1 piece |
Biotin is a water-soluble B-vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.[2]
It is composed of a ureido ring fused with a tetrahydrothiophene ring. A valeric acid substituent is attached to one of the carbon atoms of the tetrahydrothiophene ring. Biotin is a coenzyme for carboxylase enzymes, involved in the synthesis of fatty acids, isoleucine, and valine, and in gluconeogenesis.
Product Name:Biotin
Vitamine H; d-Biotin
Use
Nutritional supplement, it can be used in food industry as processing agent.
|
ITEM |
STANDARD |
RESULT |
|
Appearance |
A white or off-white crystalline powder |
Conform |
|
Identification |
Infrared absorption |
Conform |
|
Specific rotation |
+89·- +93· |
+91.1· |
|
Organic volatile impurity |
Meets USP requirements <467> |
Conform |
|
Chloroform |
?60ppm |
15ppm |
|
Toluene |
?890ppm |
Undetected |
|
Assay(Titration,0.1N NaOH) |
98.5%-100.5% |
99.6% |
|
Loss on drying |
?0.5% |
0.1% |
|
Heavy metal |
?10ppm |
<10ppm |
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