Hydrastine
| Clinical data | |
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| ATC code | 
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| Pharmacokinetic data | |
| Metabolism | Hepatic | 
| Excretion | Renal | 
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| CAS Number | |
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| CompTox Dashboard (EPA) | |
| ECHA InfoCard | 100.003.849 | 
| Chemical and physical data | |
| Formula | C21H21NO6 | 
| Molar mass | 383.400 g·mol−1 | 
| 3D model (JSmol) | |
| Melting point | 132 °C (270 °F) | 
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| (what is this?) (verify) | |
Hydrastine is an isoquinoline alkaloid which was discovered in 1851 by Alfred P. Durand. Nitric acid induced hydrolysis of hydrastine yields hydrastinine, which was patented by Bayer as a haemostatic drug in the early 1900's. It is present in Hydrastis canadensis (thus the name) and other plants of the family Ranunculaceae.