Methacholine bromide | CAS# 333-31-3 | Biochemical

MedKoo Cat#: 577238 | Name: Methacholine bromide

Description:

WARNING: This product is for research use only, not for human or veterinary use.

Methacholine bromide is a muscarinic acetylcholine receptor agonist.

Chemical Structure

Methacholine bromide

CAS#333-31-3

Theoretical Analysis

MedKoo Cat#: 577238

Name: Methacholine bromide

CAS#: 333-31-3

Chemical Formula: C8H18BrNO2

Exact Mass: 239.0521

Molecular Weight: 240.14

Elemental Analysis: C, 40.01; H, 7.56; Br, 33.27; N, 5.83; O, 13.32

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.

Bulk Inquiry

Related CAS #

No Data

Synonym

Methacholine bromide

IUPAC/Chemical Name

1-Propanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, bromide (1:1)

InChi Key

MMVPLEUBMWUYIB-UHFFFAOYSA-M

InChi Code

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

SMILES Code

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

Appearance

Solid powder

Purity

>98% (or refer to the Certificate of Analysis)

Shipping Condition

Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition

Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility

To be determined

Shelf Life

>2 years if stored properly

Drug Formulation

To be determined

Stock Solution Storage

0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code

2934.99.9001

More Info

Instruction

View handling instruction

Preparing Stock Solutions

The following data is based on the product molecular weight 240.14 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
1 mM	1.15 mL	5.76 mL	11.51 mL
5 mM	0.23 mL	1.15 mL	2.3 mL
10 mM	0.12 mL	0.58 mL	1.15 mL
50 mM	0.02 mL	0.12 mL	0.23 mL

1. Cockcroft DW. Methacholine Challenge Testing in the Diagnosis of Asthma. Chest. 2020 Aug;158(2):433-434. doi: 10.1016/j.chest.2020.04.034. PMID: 32768054.