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.

Chemical Structure

CAS# 135722-27-9

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

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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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)


Appearance: Solid powder

Purity: >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).

Solubility: 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 395.52 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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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.