Tetrahydrobiopterin Typical Properties
Item
Specifications
Results
Appearance
White powder
Complies
Identification
Conform to standard
Complies
Residue on Ignition
≤0.2%
0.07%
Loss of Drying
≤5.0%
1.5 ~ 2.0%
Heavy Metals
20ppm max
Complies
Purity (HPLC)
99.0% min
99.6%
Conclusion
The results conforms with Enterprise standards
Item
Specifications
Results
Description
White to Light yellow powder
Complies
Smell
Odourless
Complies
Solubility
Freely soluble in water
Complies
Loss on drying
≤2.0% (w/w)
0.12% (w/w)
Assay
HPLC
99.0% min
99.6%
Total ash
≤2.5% (w/w)
1.0% (w/w)
Heavy metals
<20 ppm
<20 ppm
Purity per HPLC
6S-BH4.2HCl
≤0.5%
0.4%
Unknown impurities (single)
≤0.05%
n.d.
Unknown impurities (total)
≤0.1%
n.d.
Impurities (total)
≤1%
0.4%
Conclusion
The results conforms with enterprise standards
Tetrahydrobiopterin Usage
Packaging and Shipping
Packaging:1g/bottle, 2g/bottle, 500g/bottle, 1KG/bag
Shipping:It can be according to the customer’s request
Tetrahydrobiopterin Storage
Normal temperature preservation
