L 687306

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

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

MedKoo CAT#: 596643

CAS#: 139346-23-9

Description: L 687306 is a partial agonist at muscarinic M1 receptors; a highly competitve antagonist at cardiac M2 receptors and ileal M3 muscarinic receptors.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-03-29. Prices are subject to change without notice.

L 687306 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#: 596643
Name: L 687306
CAS#: 139346-23-9
Chemical Formula: C11H15N3O
Exact Mass: 205.1215
Molecular Weight: 205.26
Elemental Analysis: C, 64.37; H, 7.37; N, 20.47; O, 7.79

Synonym: L 687306; L-687306; L687306; L-687,306; L 687,306; L687,306;

IUPAC/Chemical Name: 5-(1-azabicyclo[2.2.1]heptan-3-yl)-3-cyclopropyl-1,2,4-oxadiazole


InChi Code: InChI=1S/C11H15N3O/c1-2-7(1)10-12-11(15-13-10)9-6-14-4-3-8(9)5-14/h7-9H,1-6H2

SMILES Code: N1(C2)CC(C3=NC(C4CC4)=NO3)C2CC1

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: Dawson GR, Iversen SD. The effects of novel cholinesterase inhibitors and selective muscarinic receptor agonists in tests of reference and working memory. Behav Brain Res. 1993 Nov 30;57(2):143-53. PubMed PMID: 8117420.

2: Freedman SB, Patel S, Harley EA, Iversen LL, Baker R, Showell GA, Saunders J, McKnight A, Newberry N, Scholey K, et al. L-687,306: a functionally selective and potent muscarinic M1 receptor agonist. Eur J Pharmacol. 1992 Apr 29;215(1):135-6. PubMed PMID: 1516645.