Product Details
| Product Name: Pyridoxine HCL(Vitamin B6) USP/BP/EP | CAS No.: 58-56-0 |
| EC-No.: 611-771-3 | Min. Order: 1kg |
| Purity: 99% | Supply Ability: 10 tons |
| Release date: 2019/07/22 | |
| MF:: C17H27NO2 |
Specification
|
Items |
Specifications |
Results |
|
Appearance |
White Fine Powder/Crystal |
Complies |
|
Identification |
Infared Absorption |
Complies |
|
The retention time of the major peak in the chromatogram of the Assay prepration corresponds to that in the chromatogram of the standard preparation, as obtained in the assay |
complies |
|
|
Specific rotation |
Between -28.6°and -35.0°, measured at 20° |
-32.8° |
|
Water |
not more than 0.5% |
0.12% |
|
residue on ignition |
not more than 0.2% |
0.11% |
|
Heavy metals |
not more than 0.001% |
complies |
|
related compounds by HPLC(Test1) |
Fructose not more than 0.3% Compound A not more than 0.3% Other individual impurity not more than 0.1% Total impurities not more than 0.5% |
Fructose: 0.03% Compound A: 0.04% Total impurities: 0.07% |
|
Particle size |
90% less than 350 microns |
complies |
|
Limit of sulfamate and sulfate |
Sulfamate ion not more than 0.10% Sulfate ion not more than 0.10% |
complies |
|
Residual Solvent |
Methylene Chloride not more than 250μg/g |
not detected |
|
Acetone not mor than 2500μg/g |
||
|
Isopropanol not more than 5000μg/g |
||
|
Ethanenitrile not more than 400μg/g |
||
|
n-hexane not more than 290μg/g |
||
|
Ethyl Acetate not more than 2500μg/g |
||
|
Pyridine not more than 100μg/g |
||
|
Assay |
Topiramate contains not less than 98.0% and not more than the equivalent of 102.0% of C12H21NO8S, calculated with reference to the Anhydrous Basis |
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- Since: 2017-03-29
- Address: Traffic Lane,Congtai District, Handan City,Hebei, China

China