| Powder: | Yes |
|---|---|
| Certification: | GMP, HSE, ISO 9001, USP, BP |
| Suitable for: | Elderly, Children, Adult |
| State: | Solid |
| Purity: | >99% |
| Purity Degree: | 99% |
| Customization: |
|---|
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Audited Supplier 
| Item | Specific | Result |
| Appearance | Type white to yellow powder | Pale yellow powder |
| Solubility | Soluble in water,no visible evidence of contamination of foreign matter | Conforms |
| Identification | IR spectra is consistent with CRS. | Conforms |
| The retention time of the major peak of the assay preparation corresponds to that of the standard preparation, as obtained in the assay. | Conforms | |
| Positive in phosphate test | Conforms | |
| PH | 5.0-8.0 | 7.3 |
| Water | 5.0%max | 1.4% |
| Cis-isomer | 82-88% | 86.0% |
| Trans-isomer | 12-18% | 14.0% |
| Heavy metal | 30ppm max | Conforms |
| Assay | 75%min | 77.2% |
| Conclusion | Conform to In-house standard | |
|
Items |
Standard |
Result |
|
Appearance |
White to off-white powder |
White powder |
|
Assay (W/W dry basis) |
≥98.0% |
99.16 % |
|
Residue on ignition |
<0.5% |
0.256% |
|
Water (w/w by KF) |
≤1.0% |
0.420% |
|
pH Value(1% aq.) |
5~9 |
7.28 |
Suppliers with verified business licenses
Audited Supplier 
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