Customization: | Available |
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CAS No.: | 1392275-56-7 |
Shelf Life: | 3 Years |
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Items | Standards | Results |
Appearance | White to off-white or tan, slightly hygroscopic crystalline powder | Complies |
Identification | By IR | Complies |
By HPLC | Complies | |
Solubility | In aqueous media,soluble at low pH(pH=2.0), sparingly soluble at pH 3.8, and slightly soluble at pH up to 8.0, freely soluble in methanol, soluble in ethanol, sparingly soluble in isopropanol and slightly soluble in acetone | Complies |
Water Content(KF) | ≤0.50% | 0.37% |
Heavy Metals | ≤20ppm | Complies |
Residue on Ignition | ≤ 0.10% | 0.07% |
Related Substances | Any individual unknown impurity: ≤0.20% | 0.15% |
Total impurities: ≤0.50% | 0.28% | |
Fumaric Acid Content | 10.0%~12.0%(w/w) | 11.1% |
Assay | 98.0%~102.0% on anhydrous basis | 99.85% |
Reference Standard | In-house Standard | |
Conclusion | The product complied to In-house standard. | |
Storage | Preserve in tight,light-resistant containers in a cool place |
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