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Key Documents

A2126

Sigma-Aldrich

Acetyl-β-methylcholine bromide

≥99%

Synonym(s):

Methacholine bromide

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About This Item

Linear Formula:
CH3CO2CH(CH3)CH2N(CH3)3Br
CAS Number:
Molecular Weight:
240.14
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥99%

form

powder

mp

147-149 °C (lit.)

storage temp.

−20°C

SMILES string

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

InChI

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

InChI key

MMVPLEUBMWUYIB-UHFFFAOYSA-M

Gene Information

human ... CHRM3(1131)

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Application

Acetyl-β-methylcholine bromide (methylcholine bromide, methacholine bromide, Mch), a muscarinic acetylcholine receptor agonist, may be used in studies that involve the indentification, characterization and mechanism of action of muscarinic acetylcholine receptors. Mch may be used as a reference material in procedures used to detect or quantify its presence.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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