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Merck

A2251

Acetyl-β-methylcholine chloride

≥98% (TLC), powder

Synonyme(s) :

(2-Acetoxypropyl)trimethylammonium chloride, Methacholine chloride

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About This Item

Formule linéaire :
CH3COOCH(CH3)CH2N(Cl)(CH3)3
Numéro CAS:
62-51-1
Poids moléculaire :
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)

Nom du produit

Acetyl-β-methylcholine chloride, ≥98% (TLC), powder

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

SMILES string

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

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

Quality Level

100

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

Classe de stockage

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX6275
MKCW0206
MKCT0221
MKCT9799
MKCT9365

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

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
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
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
Sue R Downie et al.
Journal of applied physiology (Bethesda, Md. : 1985), 114(6), 770-777 (2013-02-02)
The forced oscillation technique (FOT) and multiple-breath nitrogen washout (MBNW) are noninvasive tests that are potentially sensitive to peripheral airways, with MBNW indexes being especially sensitive to heterogeneous changes in ventilation. The objective was to study methacholine-induced changes in the
Alessandro Marcon et al.
The Journal of allergy and clinical immunology, 133(1), 104-110 (2013-05-21)
Evidence on the longitudinal association of airway responsiveness with respiratory diseases is scarce. The best indicator of responsiveness is still undetermined. We investigated the association of airway responsiveness with the incidence of asthma, chronic obstructive pulmonary disease (COPD), and allergic
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