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Mecamylamine hydrochloride

N,2,3,3-Tetramethylbicyclo[2.2.1]heptan-2-amine hydrochloride, 2-(Methylamino)isocamphane hydrochloride, Inversine
Empirical Formula (Hill Notation):
C11H21N · HCl
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:



Quality Level


ethanol: 122 mg/mL
H2O: 47 mg/mL
isopropanol: 476 mg/mL
glycerol: 95 mg/mL



SMILES string




InChI key


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Mecamylamine hydrochloride has been used as an additive in extracellular saline during current-clamp recordings to reduce synaptic input. It has also been used as a non-selective nicotinic acetyl choline receptor blocker in aortic body neurons and in MLO-Y4 cells.


5, 25, 100 mg in glass bottle

Biochem/physiol Actions

Noncompetitive nicotinic acetylcholine receptor antagonist; preferentially blocks nicotinic receptors at autonomic ganglia; crosses blood-brain barrier.

Features and Benefits

This compound was developed by AstraZeneca. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.
This compound is featured on the Acetylcholine Receptors (Nicotinic) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.


Solutions are stable to autoclaving.


Skull and crossbones

Signal Word


Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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Product Information Sheet

More documents

Quotes and Ordering

Acetylcholine affects osteocytic MLO-Y4 cells via acetylcholine receptors
Ma Y, et al.
Molecular and cellular endocrinology, 384(1-2), 155-164 (2014)
M I Damaj et al.
The Journal of pharmacology and experimental therapeutics, 291(3), 1284-1291 (1999-11-24)
Pharmacological mechanisms involved in nicotine-induced seizures were investigated in mice by testing the ability of several nicotinic agonists in producing seizures after peripheral administration. In addition, nicotinic antagonists such as hexamethonium, mecamylamine, dihydro-beta-erythroidine, and methyllycaconitine citrate (MLA) were used in
Potential roles of ATP and local neurons in the monitoring of blood O2 content by rat aortic bodies
Piskuric NA, et al.
Experimental Physiology, 99(1), 248-261 (2014)
G Panagis et al.
Synapse (New York, N.Y.), 35(1), 15-25 (1999-12-01)
In the present study the neuronal expression of Fos, the protein product of c-fos, was used to study changes in neuronal activity in nerve terminal regions of the ascending dopaminergic system during nicotine withdrawal. Rats were infused for 14 days
Olena Riabinina et al.
Genetics, 212(1), 53-63 (2019-03-14)
The Q-system is a binary expression system that works well across species. Here, we report the development and demonstrate the applications of a split-QF system that drives strong expression in Drosophila, is repressible by QS, and is inducible by a

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