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Phosphoenolpyruvic acid monopotassium salt

CAS No.
4265-07-0
Chemical Name:
Phosphoenolpyruvic acid monopotassium salt
Synonyms
PEP;PEP-K;PEP, potassium salt;PEP MONOPOTASSIUM SALT;POTASSIUM PHOSPHOENOLPYRUVATE;PEP-K, metabolic intermediate;MONOPOTASSIUM PHOSPHOENOLPYRUVATE;PHOSPHOENOLPYRUVATE POTASSIUM SALT;PHOSPHO(ENOL)PYRUVATE MONOPOTASSIUM;1-carboxyethenyl hydrogen phosphate
CBNumber:
CB5778797
Molecular Formula:
C3H4KO6P
Molecular Weight:
206.13
MDL Number:
MFCD00044476
MOL File:
4265-07-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:53:41

Phosphoenolpyruvic acid monopotassium salt Properties

Melting point 175 °C (dec.)(lit.)
storage temp. 2-8°C
solubility Methanol (Slightly), Water (Slightly)
form solid
color White to off-white
Water Solubility Soluble in water. Slightly soluble in methanol.
Sensitive Hygroscopic
BRN 4603446
InChI InChI=1S/C3H5O6P.K/c1-2(3(4)5)9-10(6,7)8;/h1H2,(H,4,5)(H2,6,7,8);/q;+1/p-1
InChIKey SOSDSEAIODNVPX-UHFFFAOYSA-M
SMILES P([O-])(=O)(O)OC(=C)C(=O)O.[K+]
CAS DataBase Reference 4265-07-0(CAS DataBase Reference)
EPA Substance Registry System 2-Propenoic acid, 2-(phosphonooxy)-, monopotassium salt (4265-07-0)
UNSPSC Code 12352204
NACRES NA.32

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P271-P280
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
3-10
TSCA  TSCA listed
HS Code  29199000
Storage Class 13 - Non Combustible Solids
NFPA 704
0
0 0

Phosphoenolpyruvic acid monopotassium salt price More Price(70)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 860077 Phospho(enol)pyruvic acid monopotassium salt 99% 4265-07-0 250mg $194 2026-04-30 Buy
Sigma-Aldrich 860077 Phospho(enol)pyruvic acid monopotassium salt 99% 4265-07-0 1g $265 2026-04-30 Buy
Sigma-Aldrich 10108294001 Phosphoenol-pyruvate PEP,monopotassiumsalt 4265-07-0 1g $399 2026-04-30 Buy
Cayman Chemical 19192 Phosphoenolpyruvic Acid (potassium salt) ≥95% 4265-07-0 250mg $40 2026-04-30 Buy
Cayman Chemical 19192 Phosphoenolpyruvic Acid (potassium salt) ≥95% 4265-07-0 500mg $63 2026-04-30 Buy
Product number Packaging Price Buy
860077 250mg $194 Buy
860077 1g $265 Buy
10108294001 1g $399 Buy
19192 250mg $40 Buy
19192 500mg $63 Buy

Phosphoenolpyruvic acid monopotassium salt Chemical Properties,Uses,Production

Description

Phosphoenolpyruvic acid plays a role in both glycolysis and gluconeogenesis. During glycolysis, it is formed by the action of enolase on 2-phosphoglycerate and is metabolized to pyruvate by pyruvate kinase. One molecule of ATP is formed during its metabolism in this pathway. During gluconeogenesis, it is formed from phosphoenolpyruvate carboxykinase-catalyzed oxaloacetate decarboxylation and GTP hydrolysis. In plants, it is metabolized to form aromatic amino acids and also serves as a substrate for phosphoenolpyruvate carboxylase-catalyzed carbon fixation.

Chemical Properties

white to light yellow fine crystalline powder

Uses

Substrate for many kinase reactions.

Uses

Phosphoenolpyruvic acid monopotassium salt is used in glycolysis and gluconeogeneis. It is used for regeneration of ATP from ADP in enzyme-catalyzed syntheses. It is metabolized by an enzyme namely pyruvate kinase to yield pyruvate. It acts as protection against cell injury induced by oxidative stress and against dysfunction in carbohydrate metabolism.

General Description

Phospho(enol)pyruvic acid (PEP) acts as an inhibitor of hexokinase, phosphoglucose isomerase, phosphofructokinase and aldolase. It is a bifunctional carbohydrate, which exhibits antioxidant property. PEP may be a potential organ preservation agent in clinical transplantation.

Biochem/physiol Actions

Phospho(enol)pyruvic acid (PEP) is involved in glycolysis and gluconeogeneis. In glycolysis, PEP is metabolized by Pyruvate Kinase to yield pyruvate. In plants, PEP is involved in the formation of aromatic amino acids as well as in the carbon fixation pathway.

Purification Methods

KPEP is purified via the monocyclohexylamine salt (see next entry). The salt (534mg) in H2O (10mL) is added to Dowex 50Wx4 H+ form (200-400 mesh, 2mL, H2O washed) and stirred gently for 30minutes and filtered. The resin is washed with H2O (6mL), and the combined solutions are adjusted to pH 7.4 with 3N KOH (~1.4mL) and the volume adjusted to 18.4mL with H2O to give a solution of 0.1M KPEP which can be lyophilised to a pure powder and is very good for enzyme work. It has been recrystallised from MeOH/Et2O. [Clark & Kirby Biochemical Preparations 11 103 1966, Wold & Ballou J Biol Chem 227 301 1957, Cherbuliez & Rabinowitz Helv Chim Acta 39 1461 1956, Beilstein 3 IV 977.] The triNa salt [5541-93-5] M 360.0, is purified as follows: the salt (1g) is dissolved in MeOH (40mL) and dry Et2O is added in excess. The white crystals are collected and dried over P2O5 at 20o. [Cramer & Voges Chem Ber 92 952 1959, Beilstein 3 IV 977.]

References

[1] MA. ENRIQUETA MUOZ  Elizabeth P. Pyruvate kinase: current status of regulatory and functional properties[J]. Comparative Biochemistry and Physiology B-Biochemistry & Molecular Biology, 2003, 135 2: Pages 197-218. DOI: 10.1016/s1096-4959(03)00081-2
[2] A MATTE. Structure and mechanism of phosphoenolpyruvate carboxykinase.[J]. The Journal of Biological Chemistry, 1997, 272 13: 8105-8108. DOI: 10.1074/jbc.272.13.8105
[3] HERRMANN K M. The Shikimate Pathway: Early Steps in the Biosynthesis of Aromatic Compounds.[J]. Plant Cell, 1995, 7 7: 907-919. DOI: 10.1105/tpc.7.7.907

138-08-9
4265-07-0
Synthesis of Phosphoenolpyruvic acid monopotassium salt from 2-dihydroxyphosphinoyloxyacrylic acid

Phosphoenolpyruvic acid monopotassium salt Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 239)Suppliers
Supplier Tel Email Country ProdList Advantage
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Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15350 60

View Lastest Price from Phosphoenolpyruvic acid monopotassium salt manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Phosphoenolpyruvic acid Monopotassium salt pictures 2026-09-11 Phosphoenolpyruvic acid Monopotassium salt
4265-07-0
1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
Phospho(enol)pyruvic acid monopotassium salt    pictures 2026-08-07 Phospho(enol)pyruvic acid monopotassium salt
4265-07-0
$1.00 1KG 99% 20 Tons Shaanxi Dideu Medichem Co. Ltd
Potassium 1-carboxyvinyl hydrogenphosphate pictures 2026-07-15 Potassium 1-carboxyvinyl hydrogenphosphate
4265-07-0
$30.00-44.00 99.78% 10g TargetMol Chemicals Inc.
2H-1-Benzopyran-2-carboxylic acid, 6-chloro-3,4-dihydro-, (2S) 2-(Phosphonooxy)-2-propenoic acid monopotassium sal Phosphoenolpyruvic Acid Monopotassium Salt 〔PEP, Monopotassium Salt〕 2-(phosphonooxy)-2-propenoicacimonopotassiumsalt Potassium 1-carboxyvinyl hydrogenphosphate Phospho(enol)pyruvic acid MonopotassiuM salt 99% PEP MONOPOTASSIUM SALT PEP POTASSIUM PHOSPHOENOLPYRUVATE PHOSPHO(ENOL)PYRUVIC ACID POTASSIUM SALT PHOSPHOENOLPYRUVATE POTASSIUM SALT PHOSPHO(ENOL)PYRUVATE MONOPOTASSIUM SALT 2-[PHOSPHONOOXY]-2-PROPENOIC ACID MONOPOTASSIUM SALT Phosphoenolpyruvic Acid, Monopotassium Salt (unlabelled) Potassium Phosphoenol Pyruvate-2,3-13C2 Potassium Phosphoenol Pyruvate-2-13C Potassium Phosphoenol Pyruvate-3-13C potassium hydrogen 2-(phosphonatooxy)acrylate PHOSPHO(ENOL)PYRUVATE MONOPOTASSIUM PEP, potassium salt mono-Potassium phosphoenolpyruvate, PEP monopotassium salt, PEP-K, Phospho(enol)pyruvate potassium salt 2-(Phosphonooxy)-2-propenoic acid monopotassium salt, mono-Potassium phosphoenolpyruvate, PEP-K MONOPOTASSIUM PHOSPHOENOLPYRUVATE Phosphoenolpyruvic acid monopotassium salt,99% PotassiuM phosphoenolpyruvate, PEP-K, 2-Phosphonooxy-acrylic acid · potassiuM salt 2-Propenoic acid,2-(phosphonooxy)-, potassium salt (1:1) Phospho(enol)pyruvic acid monopotassium 1-carboxyethenyl hydrogen phosphate PEP-K, metabolic intermediate Phosphoenolpyruvic acid (potassium) PEP-K Phosphoenolpyruvic acid monopotassium salt 4265-07-0 4565-07-0 KOPOOHOCCH2COOH CH2CCOOHOPOHO2K KOPOOHOCCH2CO2H C3H4KO6P C3H4O6PK Carbohydrate Library BioChemical Biochemicals and Reagents Building Blocks Pyruvate kinase Phosphorus Compounds Organic Phosphates/Phosphites Substrates by Enzyme Metabolic Libraries Metabolomics Organic Building Blocks Enzyme Substrates Enzymes, Inhibitors, and Substrates Building Blocks Chemical Synthesis Organic Building Blocks Organic Phosphates/Phosphites Phosphorus Compounds metabolite