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A5751

Sigma-Aldrich

Acetylthiocholine iodide

≥98% (TLC), powder or crystals

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Synonym(s):
(2-Mercaptoethyl)trimethylammonium iodide acetate
Linear Formula:
CH3COSCH2CH2N(CH3)3I
CAS Number:
Molecular Weight:
289.18
Beilstein:
3916578
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.83

Quality Level

Assay

≥98% (TLC)

form

powder or crystals

color

white

mp

205-210 °C (lit.)

solubility

H2O: 100 mg/mL

storage temp.

2-8°C

SMILES string

[I-].CC(=O)SCC[N+](C)(C)C

InChI

1S/C7H16NOS.HI/c1-7(9)10-6-5-8(2,3)4;/h5-6H2,1-4H3;1H/q+1;/p-1

InChI key

NTBLZMAMTZXLBP-UHFFFAOYSA-M

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This Item
A56262082026978
Acetylthiocholine iodide ≥98% (TLC), powder or crystals

Sigma-Aldrich

A5751

Acetylthiocholine iodide

-
Choline chloride BioUltra, ≥99.0% (AT)

Sigma-Aldrich

26978

Choline chloride

Premium Grade
form

powder or crystals

form

powder

form

-

form

powder or crystals

color

white

color

-

color

-

color

colorless to white

solubility

H2O: 100 mg/mL

solubility

water: 100 mg/mL, clear to slightly hazy, colorless

solubility

-

solubility

H2O: 1 M, clear, colorless

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

-

mp

205-210 °C (lit.)

mp

-

mp

171-174 °C (lit.)

mp

302-305 °C (dec.) (lit.)

Application

Acetylthiocholine iodide has been used as a substrate in the preparation of acetylcholine esterase (AChE) assay working solution for AChE activity assay. It has also been used as a component in phosphate buffer (PB) for cholinesterase assay.
Substrate for the colorimetric determination of acetylcholinesterase activity.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Substrates

Acetylcholinesterase substrate and nicotinic acetylcholine receptor agonist.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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The exosome secretory pathway transports amyloid precursor protein carboxyl-terminal fragments from the cell into the brain extracellular space
Perez GR, et al.
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Anti-acetylcholinesterase activities of traditional Chinese medicine for treating Alzheimer's disease
Lin HQ, et al.
Chemico-Biological Interactions, 175(1-3), 352-354 (2008)
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Science translational medicine, 12(527) (2020-01-24)
Chemical warfare nerve agents are organophosphorus chemical compounds that induce cholinergic crisis, leaving little or no time for medical intervention to prevent death. The current chemical treatment regimen may prevent death but does not prevent postexposure complications such as brain

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