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58-74-2 Papaverine (base and/or unspecified salts) | 
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| Chemical Name | Papaverine (base and/or unspecified salts) | 
| Synonyms | Papaverine | 
| Molecular Formula | C20H21NO4 | 
| Molecular Weight | 339.39 | 
| InChl | InChI=1/C20H21NO4/c1-22-17-6-5-13(10-18(17)23-2)9-16-15-12-20(25-4)19(24-3)11-14(15)7-8-21-16/h5-8,10-12H,9H2,1-4H3 | 
| CAS Registry Number | 58-74-2 | 
| EINECS | 200-397-2 | 
| Molecular Structure | ![]()  | 
			    
| Risk Codes | R22##Harmful if swallowed.:; | 
			    
| Safety Description | S22##Do not inhale dust.:; | 
			    
| MSDS | |