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Amines and amides

Phosphorylcholine

Also known as choline phosphate, 2-(trimethylammonio)ethyl hydrogen phosphate, Chloride, Choline Phosphate

CAS 645-84-1Formula C5H14NO4PMolar mass 183.14 g/mol
1 supplier listed
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Phosphorylcholine chemical structure, C5H14NO4P, CAS 645-84-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
645-84-1
Formula
C5H14NO4P
Molar mass
183.14 g/mol
HS code
292390
Category
Amines and amides

What is Phosphorylcholine?

Plain description, key identifiers and synonyms

Phosphorylcholine is a chemical substance with the molecular formula C5H14NO4P and a molar mass of 183.14 g/mol. Its CAS registry number is 645-84-1. The IUPAC name is 2-(trimethylazaniumyl)ethyl hydrogen phosphate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(trimethylazaniumyl)ethyl hydrogen phosphate
CAS number
645-84-1 CAS number cross-checked
Molecular formula
C5H14NO4P
UNII
BRP7TI555O
InChIKey
YHHSONZFOIEMCP-UHFFFAOYSA-N
InChI
InChI=1S/C5H14NO4P/c1-6(2,3)4-5-10-11(7,8)9/h4-5H2,1-3H3,(H-,7,8,9)
SMILES (canonical and isomeric)
C[N+](C)(C)CCOP(=O)(O)[O-]

Synonyms

  • choline phosphate
  • 2-(trimethylammonio)ethyl hydrogen phosphate
  • Chloride, Choline Phosphate
  • Choline phosphate chloride
  • Phosphate, Choline
  • Choline Chloride Dihydrogen Phosphate
  • Chloride, Phosphorylcholine
  • Phosphate Chloride, Choline
  • Ethanaminium, N,N,N-trimethyl-2-(phosphonooxy)-, chloride
  • 2-(trimethylazaniumyl)ethyl hydrogen phosphate
  • N,N,N-Trimethyl-2-(phosphonooxy)ethanaminium hydroxide inner salt
  • cholinephosphoric acid
  • Ethanaminium, N,N,N-trimethyl-2-(phosphonooxy)-, hydroxide, inner salt
  • Ethanaminium, N,N,N-trimethyl-2-(phosphonooxy)-, inner salt

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
183.14 g/molcalc.
Exact mass
183.066 Dacalc.
LogP (octanol/water)
-0.83calc.
Topological polar surface area
69.59 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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.

Phosphorylcholine suppliers

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Where suppliers are based

1 supplier in 1 country

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Phosphorylcholine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2923.90Indicative HS code

Quaternary ammonium salts and hydroxides whether or not chemically defined not elsewhere classified…

World exports in 2024
$1.07B
+14.4% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China36.7%
  2. United States14.2%
  3. Netherlands9.4%
Top importers
  1. South Korea10.7%
  2. Germany10.1%
  3. United States9.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Phosphorylcholine?

Phosphorylcholine is a chemical substance with the molecular formula C5H14NO4P and a molar mass of 183.14 g/mol. Its CAS registry number is 645-84-1. The IUPAC name is 2-(trimethylazaniumyl)ethyl hydrogen phosphate.

What is the CAS number of Phosphorylcholine?

The CAS registry number of Phosphorylcholine is 645-84-1.

What is the molecular formula and weight of Phosphorylcholine?

The molecular formula of Phosphorylcholine is C5H14NO4P and its molar mass is 183.14 g/mol.

What is Phosphorylcholine used for?

Known uses and roles of Phosphorylcholine include building blocks in research and laboratory.

Is Phosphorylcholine hazardous?

No GHS hazard classification for Phosphorylcholine 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 Phosphorylcholine?

Phosphorylcholine is usually classified under HS code 292390 (Quaternary ammonium salts and hydroxides, lecithins and other phosphoaminolipids…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phosphorylcholine?

CompoundList lists 1 supplier of Phosphorylcholine in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phosphorylcholine?

Suppliers quote Phosphorylcholine 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 Phosphorylcholine

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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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