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MedKoo CAT#: 558453

CAS#: 522-57-6

Description: Papaveraldine is a degradation product of papaverine and known benzylisoquinoline alkaloid.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-07-10. Prices are subject to change without notice.

Papaveraldine is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 558453
Name: Papaveraldine
CAS#: 522-57-6
Chemical Formula: C20H19NO5
Exact Mass: 353.13
Molecular Weight: 353.37
Elemental Analysis: C, 67.98; H, 5.42; N, 3.96; O, 22.64

Synonym: Papaveraldine; Papaveraldine; Xanthaline;

IUPAC/Chemical Name: (6,7-Dimethoxy-1-isoquinolyl) (3,4-dimethoxyphenyl) ketone


InChi Code: InChI=1S/C20H19NO5/c1-23-15-6-5-13(10-16(15)24-2)20(22)19-14-11-18(26-4)17(25-3)9-12(14)7-8-21-19/h5-11H,1-4H3


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


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10: Anselmi E, Fayos G, Blasco R, Candenas L, Cortes D, D'Ocon P. Selective inhibition of calcium entry induced by benzylisoquinolines in rat smooth muscle. J Pharm Pharmacol. 1992 Apr;44(4):337-43. PubMed PMID: 1355547.

11: Piotrowska K, Hermann TW, Augustyniak W. Kinetics of photooxidation of papaverine hydrochloride and its major photooxidation products. J Pharm Biomed Anal. 2006 Jun 16;41(4):1391-5. Epub 2006 Mar 31. PubMed PMID: 16580169.

12: Pingaew R, Prachayasittikul S, Ruchirawat S. Synthesis, cytotoxic and antimalarial activities of benzoyl thiosemicarbazone analogs of isoquinoline and related compounds. Molecules. 2010 Feb 23;15(2):988-96. doi: 10.3390/molecules15020988. PubMed PMID: 20335957.

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