Methacholine chloride ≥98%, white powder

Supplier: MP Biomedicals
Warning

Synonyms: Mecholyl Chloride, O-Acetyl-beta-methylcholine Chloride, Acetyl-β-methylcholine chloride

0219023180 0219023105 0219023110 0219023125
ICNA0219023180EA 394 GBP
ICNA0219023180 ICNA0219023105 ICNA0219023110 ICNA0219023125
Methacholine chloride ≥98%, white powder
Methacholine chloride

Methacholine chloride is a cholinergic agonist and parasympathomimetic bronchoconstrictor. A metabolically stable analog of acetylcholine. Its ability to constrict airway smooth muscle is used to assess bronchial reactivity in the laboratory and clinically.
Methacholine is primarily used to diagnose bronchial hyperreactivity, which is the hallmark of asthma and also occurs in chronic obstructive pulmonary disease. Acetyl-β-methylcholine (methacholine), an analog of acetylcholine, is use as a receptor agonist to study processes such as airway hyperresponsiveness associated with asthma.
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.


  • Presentation: White Powder
  • Soluble in water (100 mg/mL-clear, colorless solution), alcohol, chloroform; Insoluble in ether.
  • -20°C, desiccate


Storage temperature.: +4 °C

Formula: C₈H₁₈ClNO₂
MW: 195,69 g/mol
Melting Pt: 164…174 °C
Storage Temperature: Freezer
MDL Number: MFCD00011817
CAS Number: 62-51-1
EINECS: 200-537-2

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Specification Test Results

Identity Test Passes
Purity ≥98%
FTIR Conforms to Standard

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