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

MedKoo CAT#: 573573

CAS#: Unknown

Description: A-687136 is an H3 antagonist which may play a role in cognition.

Chemical Structure

CAS# Unknown

Theoretical Analysis

MedKoo Cat#: 573573
Name: A-687136
CAS#: Unknown
Chemical Formula: C19H21N3O
Exact Mass: 307.1685
Molecular Weight: 307.4
Elemental Analysis: C, 74.24; H, 6.89; N, 13.67; O, 5.20

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: A-687136, A687136, A 687136

IUPAC/Chemical Name: (R)-2-(2-(2-(2-methylpyrrolidin-1-yl)ethyl)benzofuran-5-yl)pyrazine


InChi Code: InChI=1S/C19H21N3O/c1-14-3-2-9-22(14)10-6-17-12-16-11-15(4-5-19(16)23-17)18-13-20-7-8-21-18/h4-5,7-8,11-14H,2-3,6,9-10H2,1H3/t14-/m1/s1


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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 307.4 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: Cowart M, Gfesser GA, Browman KE, Faghih R, Miller TR, Milicic I, Baranowski JL, Krueger KM, Witte DG, Molesky AL, Komater VA, Buckley MJ, Diaz GJ, Gagne GD, Zhou D, Deng X, Pan L, Roberts EM, Diehl MS, Wetter JM, Marsh KC, Fox GB, Brioni JD, Esbenshade TA, Hancock AA. Novel heterocyclic-substituted benzofuran histamine H3 receptor antagonists: in vitro properties, drug-likeness, and behavioral activity. Biochem Pharmacol. 2007 Apr 15;73(8):1243-55. Epub 2007 Feb 23. PubMed PMID: 17371699.