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Acetylcholine

Also known as O-Acetylcholine, Choline acetate (ester), 2-acetyloxyethyl(trimethyl)azanium

CAS 51-84-3Formula C7H16NO2+Molar mass 146.21 g/molEC 200-128-9
34 suppliers listed Drug substance
Acetylcholine chemical structure, C7H16NO2+, CAS 51-84-3
2D chemical structure

Key facts

What buyers check first

CAS number
51-84-3
Formula
C7H16NO2+
Molar mass
146.21 g/mol
EC number
200-128-9
HS code
292310
Category
Cardiovascular and metabolic drugs

What is Acetylcholine?

Plain description, key identifiers and synonyms

Acetylcholine is actylcholine is an ester of acetic acid and choline, which acts as a neurotransmitter. It has a role as a hormone, a neurotransmitter, a vasodilator agent, a muscarinic agonist, a mouse metabolite and a human metabolite. It is an acylcholine and an acetate ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-acetyloxyethyl(trimethyl)azanium
CAS number
51-84-3 CAS number cross-checkedOther or deprecated CAS: 14047-05-3
EC number
200-128-9
Molecular formula
C7H16NO2+
UNII
N9YNS0M02X
InChIKey
OIPILFWXSMYKGL-UHFFFAOYSA-N
InChI
InChI=1S/C7H16NO2/c1-7(9)10-6-5-8(2,3)4/h5-6H2,1-4H3/q+1
SMILES (canonical and isomeric)
CC(=O)OCC[N+](C)(C)C

Synonyms

  • O-Acetylcholine
  • Choline acetate (ester)
  • 2-acetyloxyethyl(trimethyl)azanium
  • 2-(Acetyloxy)-N,N,N-trimethylethanaminium
  • ethanaminium, 2-(acetyloxy)-N,N,N-trimethyl-
  • [2-(acetyloxy)ethyl]trimethylazanium
  • 2-acetyloxyethyl-trimethylazanium
  • (2-(acetyloxy)ethyl)trimethylazanium
  • Cusi, Acetilcolina
  • Fluoride, Acetylcholine
  • Hydroxide, Acetylcholine
  • Acetylcholine L Tartrate
  • L-Tartrate, Acetylcholine
  • Acetylcholine Picrate
  • Choline acetate
  • (2-Acetoxyethyl)trimethylammonium
  • Acetyl choline ion
  • Acetylcholinum
  • Acetyl choline cation
  • Ach
  • (2-Acetoxyethyl)trimetilammonium
  • Acetylcholine cation
  • 2-Acetoxy-N,N,N-trimethylethan-1-aminium
  • [3H]acetylcholine
  • 2-acetoxyethyl(trimethyl)ammonium, bromide
Show all 35 synonyms
  • Azetylcholin
  • 2rin
  • 3rqw
  • (14C)Acetylcholine
  • (14C)-Acetylcholine
  • 2ha4
  • 2xz5
  • Acetylch0line iodide
  • 4-04-00-01446 (Beilstein Handbook Reference)
  • DivK1c_000686

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
146.21 g/molcalc.
Exact mass
146.1176 Dacalc.
LogP (octanol/water)
0.26calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
1calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Acetylcholine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 34 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

34 suppliers in 10 countries

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Acetylcholine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Cholinergic Agonists
  • Vasodilator Agents

Roles

  • agonist
  • animal metabolite
  • anti-HIV agent
  • anti-anaemic agent
  • anti-inflammatory agent
  • antiglaucoma drug
  • antimicrobial agent
  • antiviral agent
  • cardiovascular drug
  • cholinergic agonist
  • cholinergic drug
  • eukaryotic metabolite
  • hormone
  • human metabolite
  • hypoglycemic agent
  • metabolite
  • molecular messenger
  • mouse metabolite
  • muscarinic agonist
  • neurotransmitter
  • neurotransmitter agent
  • ophthalmology drug
  • pharmaceutical
  • vasodilator agent

Pharmacology

Acetylcholine is a Cholinergic Receptor Agonist. The mechanism of action of acetylcholine is as a Cholinergic Agonist.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: (2-Acetoxyethyl)trimethylammonium hydroxide (Acetylcholine) and its salts, Ref no: 2, Annex ref: II/2
  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Acetylcholine is traded under.

HS 2923.10Indicative HS code

Choline and its salts

World exports in 2024
$230M
−6.6% vs 2023, imports $332M
2019 to 2024
Top exporters
  1. China53.1%
  2. Belgium18.3%
  3. United States9.7%
Top importers
  1. South Korea23.6%
  2. Argentina7.3%
  3. United States7.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Acetylcholine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Acetylcholine, based on the data on this page

What is Acetylcholine?

Acetylcholine is actylcholine is an ester of acetic acid and choline, which acts as a neurotransmitter. It has a role as a hormone, a neurotransmitter, a vasodilator agent, a muscarinic agonist, a mouse metabolite and a human metabolite. It is an acylcholine and an acetate ester.

What is the CAS number of Acetylcholine?

The CAS registry number of Acetylcholine is 51-84-3. Other or deprecated CAS numbers: 14047-05-3.

What is the molecular formula and weight of Acetylcholine?

The molecular formula of Acetylcholine is C7H16NO2+ and its molar mass is 146.21 g/mol.

What is Acetylcholine used for?

Known uses and roles of Acetylcholine include cardiovascular drugs in pharmaceuticals, agonist, animal metabolite, anti-hiv agent, anti-anaemic agent and 22 more.

Is Acetylcholine hazardous?

No GHS hazard classification for Acetylcholine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Acetylcholine?

Acetylcholine is usually classified under HS code 292310 (Choline and its salts). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acetylcholine?

CompoundList lists 34 suppliers of Acetylcholine in United States, China, Spain, Germany and 6 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Acetylcholine in India?

1 supplier in India list Acetylcholine on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Acetylcholine?

Suppliers quote Acetylcholine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Acetylcholine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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