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MedKoo CAT#: 341004

CAS#: 21363-18-8

Description: Viminol (marketed under the brandname Dividol) is an opioid analgesic developed by a team at the drug company Zambon in the 1960s. Viminol is based on the α-pyrryl-2-aminoethanol structure, unlike any other class of opioids.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-04-08. Prices are subject to change without notice.

Viminol 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#: 341004
Name: Viminol
CAS#: 21363-18-8
Chemical Formula: C21H31ClN2O
Exact Mass: 362.2125
Molecular Weight: 362.942
Elemental Analysis: C, 69.50; H, 8.61; Cl, 9.77; N, 7.72; O, 4.41

Synonym: Viminol; Z424.

IUPAC/Chemical Name: 1-(o-Chlorobenzyl)-alpha-((di-sec-butylamino)methyl)pyrrole-2-methanol


InChi Code: InChI=1S/C21H31ClN2O/c1-5-16(3)24(17(4)6-2)15-21(25)20-12-9-13-23(20)14-18-10-7-8-11-19(18)22/h7-13,16-17,21,25H,5-6,14-15H2,1-4H3/t16-,17-,21-/m0/s1

SMILES Code: n1(c(ccc1)[C@@H](O)CN([C@@H](C)CC)[C@@H](C)CC)Cc1ccccc1Cl

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:
>2 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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12: Zsilla G, Cheney DL, Racagni G, Costa E. Correlation between analgesia and the decrease of acetylcholine turnover rate in cortex and hippocampus elicited by morphine, meperidine, viminol R2 and azidomorphine. J Pharmacol Exp Ther. 1976 Dec;199(3):662-8. PubMed PMID: 1036502.

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20: Cameron BD, Chasseaud LF, Hardy G, Lewis JD, Saggers VH, Sword IP. The synthesis and metabolic fate of 14 C-viminol, a new analgesic, in the rat and the dog. Arzneimittelforschung. 1973 May;23(5):708-12. PubMed PMID: 4197003.