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Papaverine hydrochloride

A phosphodiesterase inhibitor
Catalog #: B2315
SKU-Size Size Price Qty
B2315-50 50 mg
B2315-250 250 mg
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Product Details

Alternate Name 6,7-Dimethoxy-1-veratrylisoquinoline hydrochloride,NSC 136630
Appearance White solid
CAS # 61-25-6
Molecular Formula C₂₀H₂₁NO₄ · HCl
Molecular Weight 375.85
Purity ≥98%
Solubility 25 mg/ml (H₂O)
InChi InChI=1S/C20H21NO4.ClH/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;1H
PubChem CID 6084
Handling Do not take internally. Wear gloves and mask when handling the product! Avoid contact by all modes of exposure.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


An opium alkaloid that acts as a phosphodiesterase inhibitor (IC₅₀ = 13 μM). It increases cellular cAMP levels and alters cellular function. It has been shown to reduce arterial and cerebral vasospasm and has been used to treat erectile dysfunction.

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