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

MedKoo CAT#: 563191

CAS#: 208718-14-3

Description: S23757 is a selective ligand of imidazoline 1 receptor (I1R).

Chemical Structure

CAS# 208718-14-3

Theoretical Analysis

MedKoo Cat#: 563191
Name: S23757
CAS#: 208718-14-3
Chemical Formula: C10H11FN2
Exact Mass: 178.0906
Molecular Weight: 178.21
Elemental Analysis: C, 67.40; H, 6.22; F, 10.66; N, 15.72

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.

Request quote for custom synthesis

Synonym: S23757; S-23757; S 23757;

IUPAC/Chemical Name: 2-(2-Fluoro-5-methylphenyl)-4,5-dihydro-1H-imidazole


InChi Code: InChI=1S/C10H11FN2/c1-7-2-3-9(11)8(6-7)10-12-4-5-13-10/h2-3,6H,4-5H2,1H3,(H,12,13)


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: >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: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 178.21 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Bousquet P, Greney H, Bruban V, Schann S, Ehrhardt JD, Monassier L, Feldman J. I(1) imidazoline receptors involved in cardiovascular regulation: where are we and where are we going? Ann N Y Acad Sci. 2003 Dec;1009:228-33. Review. PubMed PMID: 15028592.

2: Sy GY, Bruban V, Bousquet P, Feldman J. Nitric oxide discriminates the sites and mechanisms of action of centrally acting anti-hypertensive drugs in rabbits. Neuropharmacology. 2002 Dec;43(8):1330-8. PubMed PMID: 12527483.

3: Bruban V, Estato V, Schann S, Ehrhardt JD, Monassier L, Renard P, Scalbert E, Feldman J, Bousquet P. Evidence for synergy between alpha(2)-adrenergic and nonadrenergic mechanisms in central blood pressure regulation. Circulation. 2002 Mar 5;105(9):1116-21. PubMed PMID: 11877365.

4: Bruban V, Feldman J, Greney H, Dontenwill M, Schann S, Jarry C, Payard M, Boutin J, Scalbert E, Pfeiffer B, Renard P, Vanhoutte P, Bousquet P. Respective contributions of alpha-adrenergic and non-adrenergic mechanisms in the hypotensive effect of imidazoline-like drugs. Br J Pharmacol. 2001 May;133(2):261-6. PubMed PMID: 11350862; PubMed Central PMCID: PMC1572786.