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A2251

Acetyl-β-methylcholine chloride

≥98% (TLC), powder

Synonym(s):

(2-Acetoxypropyl)trimethylammonium chloride, Methacholine chloride

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About This Item

Linear Formula:
CH3COOCH(CH3)CH2N(Cl)(CH3)3
CAS Number:
62-51-1
Molecular Weight:
195.69
UNSPSC Code:
12352211
NACRES:
NA.25
PubChem Substance ID:
24277821
EC Number:
200-537-2
Beilstein/REAXYS Number:
4162373
MDL number:
MFCD00011817
Assay:
≥98% (TLC)
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Quality Segment

assay

≥98% (TLC)

form

powder

mp

171-173 °C (lit.)

solubility

H2O: 50 mg/mL (solutions undergo rapid, pH-dependent decomposition at pH > 6.)

storage temp.

−20°C

SMILES string

[Cl-].CC(C[N+](C)(C)C)OC(C)=O

InChI

1S/C8H18NO2.ClH/c1-7(11-8(2)10)6-9(3,4)5;/h7H,6H2,1-5H3;1H/q+1;/p-1

InChI key

JHPHVAVFUYTVCL-UHFFFAOYSA-M

Gene Information

Application

Acetyl-β-methylcholine (methacholine), an analog of acetylcholine, is use as a receptor agonist to study processes such as airway hyperresponsiveness associated with asthma.

Biochem/physiol Actions

Metabolically stable analog of acetylcholine; muscarinic agonist. Its ability to constrict airway smooth muscle is used to assess bronchial reactivity in the laboratory and clinically.

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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