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A2251

Sigma-Aldrich

Acetyl-β-methylcholine chloride

≥98% (TLC), powder

Sinónimos:

(2-Acetoxypropyl)trimethylammonium chloride, Methacholine chloride

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About This Item

Fórmula lineal:
CH3COOCH(CH3)CH2N(Cl)(CH3)3
Número de CAS:
62-51-1
Peso molecular:
195.69
Beilstein/REAXYS Number:
4162373
EC Number:
200-537-2
MDL number:
MFCD00011817
UNSPSC Code:
12352211
PubChem Substance ID:
24277821
NACRES:
NA.25

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

human ... CHRM1(1128) , CHRM2(1129) , CHRM3(1131) , CHRM4(1132) , CHRM5(1133)

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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.

pictograms

Exclamation mark
GHS07

signalword

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_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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J G Martin et al.
Canadian journal of physiology and pharmacology, 70(4), 597-601 (1992-04-01)
Airway responsiveness to methacholine and other bronchoconstrictors is highly variable within and among species. The aim of the experiments in this report was to evaluate the importance of the quantity of airway smooth muscle as a determinant of intra- and
Bing Han et al.
PloS one, 6(2), e17236-e17236 (2011-03-02)
The great advances of nanomaterials have brought out broad important applications, but their possible nanotoxicity and risks have not been fully understood. It is confirmed that exposure of environmental particulate matter (PM), especially ultrafine PM, are responsible for many lung
Mina Youssef et al.
The Journal of pharmacology and experimental therapeutics, 373(3), 476-487 (2020-04-11)
Zona pellucida binding protein 2 (Zpbp2) and ORMDL sphingolipid biosynthesis regulator 3 (Ormdl3), mapped downstream of Zpbp2, were identified as two genes associated with airway hyper-responsiveness (AHR). Ormdl3 gene product has been shown to regulate the biosynthesis of ceramides. Allergic
Rifat A Chaudry et al.
Thorax, 69(6), 580-585 (2014-02-14)
Asthma and airway hyper-responsiveness are reportedly more common in children with sickle cell disease (SCD). To determine airway responsiveness, airway inflammation and clinical features of asthma in SCD. A prospective, single-centre study of 50 SCD children without overt pulmonary vascular
Mark J Hoegger et al.
Science (New York, N.Y.), 345(6198), 818-822 (2014-08-16)
Lung disease in people with cystic fibrosis (CF) is initiated by defective host defense that predisposes airways to bacterial infection. Advanced CF is characterized by a deficit in mucociliary transport (MCT), a process that traps and propels bacteria out of
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