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

MedKoo CAT#: 532610

CAS#: 135722-27-9

Description: S-14671 is a 5-HT1A receptor agonist (pKi = 9.3) with high efficacy and exceptional in vivo potency, and also as a 5-HT2A and 5-HT2C receptor antagonist (both are pKi = 7.8). It displays only low and non-significant affinity for 5-HT1B and 5-HT3 sites.

Price and Availability




S-14671 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 sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 532610
Name: S-14671
CAS#: 135722-27-9
Chemical Formula: C22H25N3O2S
Exact Mass: 395.1667
Molecular Weight: 395.52
Elemental Analysis: C, 66.81; H, 6.37; N, 10.62; O, 8.09; S, 8.11

Synonym: S-14671; S 14671; S14671.

IUPAC/Chemical Name: N-[2-[4-(7-methoxynaphthalen-1-yl)piperazin-1-yl]ethyl]thiophene-2-carboxamide


InChi Code: InChI=1S/C22H25N3O2S/c1-27-18-8-7-17-4-2-5-20(19(17)16-18)25-13-11-24(12-14-25)10-9-23-22(26)21-6-3-15-28-21/h2-8,15-16H,9-14H2,1H3,(H,23,26)


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).

Harmonized System Code:


1: Schreiber R, Brocco M, de Ladonchamps BL, Millan MJ. Involvement of 5-HT1A receptors in the anxiolytic action of S 14671 in the pigeon conflict test. Pharmacol Biochem Behav. 1995 Jun-Jul;51(2-3):211-5. PubMed PMID: 7667330.

2: Schreiber R, Brocco M, Gobert A, Veiga S, Millan MJ. The potent activity of the 5-HT1A receptor agonists, S 14506 and S 14671, in the rat forced swim test is blocked by novel 5-HT1A receptor antagonists. Eur J Pharmacol. 1994 Dec 27;271(2-3):537-41. PubMed PMID: 7705455.

3: Millan MJ, Rivet JM, Canton H, Lejeune F, Bervoets K, Brocco M, Gobert A, Lefebvre de Ladonchamps B, Le Marouille-Girardon S, Verriele L, et al. S 14671: a naphtylpiperazine 5-hydroxytryptamine1A agonist of exceptional potency and high efficacy possessing antagonist activity at 5-hydroxytryptamine1C/2 receptors. J Pharmacol Exp Ther. 1992 Aug;262(2):451-63. PubMed PMID: 1323650.

4: Millan MJ, Canton H, Rivet JM, Lejeune F, Laubie M, Lavielle G. S 14671: a novel naphthylpiperazine 5-HT1A agonist of high efficacy and exceptional in vivo potency. Eur J Pharmacol. 1991 Oct 15;203(2):319-22. PubMed PMID: 1839284.