Project Description
| Chemical Name | Tetrahydropapaverine hydrochloride |
|---|---|
| CAS No. | 6429-04-5 |
| Molecular Formula: | C20H25NO4.HCl |
| Molecular Weight: | 379.88 |
Descriptions：
Synonyms: 1-(3,4-DIMETHOXYBENZYL)-6,7-DIMETHOXY-1,2,3,4-TETRAHYDROISOQUINOLINE HYDROCHLORIDETETRAHYDROPAPAVERINE HYDROCHLORIDE; tetrahydropapaverine crystalline*hydrochloride; TETRAHYDROALKALI HYDROCHLORIDE; TETRAHYDROPAPAVERINE HCL; 1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride; Tetrahydropapaverine hydrochloride; 1-(3,4-DIMETHOXYBENZYL)-6,7-DIMETHOXY-1,2,3,4-TETRAHYDROISOQUINOLINEHYDROCHLORIDETETRAHYDROPAPAVERINEHYDROCHLORIDE; 6,7-dimethoxy-1-(3,4-dimethoxybenzyl)-1,2,3,4-dihydroisoquinolineHydrochloride;Tetrahydropapaverine hydrochloride;
Purity: 98%~99%
Appearance: White to off-white crystalline powder
Storage Temp.:Store at 0-5°C
Melting point: 216.0 to 220.0 °C
Specification
Test Item | Analysis Specification | Result |
Description | crystalline powder | Conforms |
Melting range | 129°C~132°C | 130.8°C-131°C |
Loss on drying | ≤0.5% | 0.20 % |
Specific rotation | -58°~-62°(C=1,in CH3OH) | -61.05° |
Sulphated ash | ≤0.1% | 0.08 % |
Heavy metals | ≤10ppm | Conforms |
Chlorides | ≤0.02% | Conforms |
Sulfates | ≤0.02% | Conforms |
Fluorine | 14.7%~17.9% | 15.2% |
Residual solvent | Methanol ≤0.2% Isopropanol ≤0.2% Ethyl acetate≤0.2% Chloroform ≤0.2% | 0.0% 0.0% 0.0% 0.0% |
Related substances (HPLC) | Single impurity ≤0.2% Total impurities ≤0.5% | 0.05% 0.08% |
Assay | ≥99.5% | 99.92% |
Conclusion | Accordance with the referenc | |
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