Project Description

China CAS 6429-04-5 Supplier

Chemical NameTetrahydropapaverine 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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