Benanserin HCl

We are open as normal during COVID-19 pandemic. Order online, same day shipping out from North Carolina, USA

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 561083

CAS#: 525-02-0 (HCl)

Description: Benanserin HCl is a serotonin antagonist. It causes psychotropic effects in humans.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-08-15. Prices are subject to change without notice.

Benanserin HCl 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#: 561083
Name: Benanserin HCl
CAS#: 525-02-0 (HCl)
Chemical Formula: C19H23ClN2O
Exact Mass:
Molecular Weight: 330.86
Elemental Analysis: C, 68.98; H, 7.01; Cl, 10.71; N, 8.47; O, 4.84

Related CAS #: 441-91-8 (free base)   525-02-0 (HCl)    

Synonym: Benanserin HCl; Benanserin; Benanserin Hydrochloride; BAS; Benzyl antiserotonin

IUPAC/Chemical Name: 1-Benzyl-2-methyl-5-methoxytryptamine Hydrochloride


InChi Code: InChI=1S/C19H22N2O.ClH/c1-14-17(10-11-20)18-12-16(22-2)8-9-19(18)21(14)13-15-6-4-3-5-7-15;/h3-9,12H,10-11,13,20H2,1-2H3;1H


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:


1: RINALDI F. The effects of two antiserotonin substances (BAS and BAB) and of bufotenin on the spontaneous electric activity of the brain. J Nerv Ment Dis. 1958 Mar;126(3):272-83. PubMed PMID: 13525974.

2: SHAW E, WOOLLEY DW. Synthesis and demonstration of antiserotonin activity of 1-benzyl-2-methyl-5-hydroxytryptamine (BAS-phenol). Proc Soc Exp Biol Med. 1957 Nov;96(2):439-42. PubMed PMID: 13485127.

3: STORMORKEN H. The antiserotonin effect of the benzyl analog of bufotenin (BAB) and the benzyl analog of serotonin (BAS) in the isolated guinea pig lung. Arch Int Pharmacodyn Ther. 1959 Mar 1;119(1-2):232-7. PubMed PMID: 13628282.

4: MURELLI B, VALSECCHI A, VALZELLI L. [Activity of an anti-serotonin molecule: 1-benzyl-2-methyl-5-methoxytryptamine (BAS) on several isolated organs and on diuresis]. Boll Soc Ital Biol Sper. 1957 Jun;33(6):859-63. Italian. PubMed PMID: 13499722.