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Carboxylic acids and anhydrides

Phosphoenolpyruvate

Also known as Phosphoenolpyruvic acid, 2-(phosphonooxy)prop-2-enoic acid, 2-Phosphonooxyprop-2-enoic acid

CAS 138-08-9Formula C3H5O6PMolar mass 168.04 g/molEC 200-804-3
1 supplier listed
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Phosphoenolpyruvate chemical structure, C3H5O6P, CAS 138-08-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
138-08-9
Formula
C3H5O6P
Molar mass
168.04 g/mol
EC number
200-804-3
HS code
291990
Category
Carboxylic acids and anhydrides

What is Phosphoenolpyruvate?

Plain description, key identifiers and synonyms

Phosphoenolpyruvic acid is a monocarboxylic acid that is acrylic acid substituted by a phosphonooxy group at position 2. It is a metabolic intermediate in pathways like glycolysis and gluconeogenesis. It has a role as a fundamental metabolite. It is a monocarboxylic acid and a carboxyalkyl phosphate. It is functionally related to an acrylic acid. It is a conjugate acid of a phosphoenolpyruvate and a phosphonatoenolpyruvate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-phosphonooxyprop-2-enoic acid
CAS number
138-08-9 CAS number cross-checked
EC numbers
200-804-3, 205-312-2
Molecular formula
C3H5O6P
UNII
545YL308OW
InChIKey
DTBNBXWJWCWCIK-UHFFFAOYSA-N
InChI
InChI=1S/C3H5O6P/c1-2(3(4)5)9-10(6,7)8/h1H2,(H,4,5)(H2,6,7,8)
SMILES (canonical and isomeric)
C=C(C(=O)O)OP(=O)(O)O

Synonyms

  • Phosphoenolpyruvic acid
  • 2-(phosphonooxy)prop-2-enoic acid
  • 2-Phosphonooxyprop-2-enoic acid
  • 2-(phosphonooxy)-2-propenoic acid
  • 2-(phosphonooxy)-2-propenoate
  • 1-carboxyethenoxy(oxonio)phosphinate
  • 2-(hydroxy(oxonio)phosphoryl)oxyprop-2-enoate
  • 2-Propenoic acid, 2-(phosphonooxy)-
  • 2-Dihydroxyphosphinoyloxyacrylic acid
  • Phosphopyruvic acid
  • PEP
  • 2-(Phosphonooxy)acrylic acid
  • P-enol-pyruvate
  • P-enolpyruvate
  • 1nhx
  • Phosphoenol pyruvic acid
  • Acrylic acid, 2-hydroxy-, dihydrogen phosphate
  • propenoic acid, 2-phosphonooxy-
  • 2-Phosphoenolpyruvic acid
  • 2-(phosphonooxy)prop-2-enoicacid
  • 2-hydroxy-Acrylic acid dihydrogen phosphate

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
168.04 g/molcalc.
Exact mass
167.9824 Dacalc.
LogP (octanol/water)
-0.31calc.
Topological polar surface area
104.1 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
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.

Phosphoenolpyruvate suppliers

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Where suppliers are based

1 supplier in 1 country

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Phosphoenolpyruvate 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

Roles

  • fundamental metabolite
  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2919.90Indicative HS code

Phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated…

World exports in 2024
$940M
−0.7% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China55.6%
  2. Germany10.6%
  3. Italy6.2%
Top importers
  1. United States15.8%
  2. South Korea10.1%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Phosphoenolpyruvate?

Phosphoenolpyruvic acid is a monocarboxylic acid that is acrylic acid substituted by a phosphonooxy group at position 2. It is a metabolic intermediate in pathways like glycolysis and gluconeogenesis. It has a role as a fundamental metabolite. It is a monocarboxylic acid and a carboxyalkyl phosphate.

What is the CAS number of Phosphoenolpyruvate?

The CAS registry number of Phosphoenolpyruvate is 138-08-9.

What is the molecular formula and weight of Phosphoenolpyruvate?

The molecular formula of Phosphoenolpyruvate is C3H5O6P and its molar mass is 168.04 g/mol.

What is Phosphoenolpyruvate used for?

Known uses and roles of Phosphoenolpyruvate include building blocks in research and laboratory, fundamental metabolite and metabolite.

Is Phosphoenolpyruvate hazardous?

No GHS hazard classification for Phosphoenolpyruvate 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 Phosphoenolpyruvate?

Phosphoenolpyruvate is usually classified under HS code 291990 (Phosphoric esters and their salts, including lactophosphates, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phosphoenolpyruvate?

CompoundList lists 1 supplier of Phosphoenolpyruvate 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 Phosphoenolpyruvate?

Suppliers quote Phosphoenolpyruvate 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 Phosphoenolpyruvate

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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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