4-Oxo-2-nonenal (4-ONE) - Moligand™, ≥95% , Activator of TRPA1, CAS No.103560-62-9, Activator of TRPA1

CAS: 103560-62-9 Cat. No.: O274680 Molecular Weight: 154.21

GRADE & PURITY Moligand™, ≥95%

Synonyms

GTPL6283 | 3,5-dihydroxy-4-methylphenol | BDBM50318492 | 2-Nonenal, 4-oxo- | DTXSID701032845 | HY-114524 | 4-one | SEPPVOUBHWNCAW-FNORWQNLSA-N | (2E)-4-oxonon-2-enal | 4-Oxo-2-nonenal | SR-01000946218 | 4-Oxononenal | 4-oxo-nonenal | AKOS006284470 | HMS36

Storage

Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Specifications

Synonyms

GTPL6283 | 3, 5-dihydroxy-4-methylphenol | BDBM50318492 | 2-Nonenal, 4-oxo- | DTXSID701032845 | HY-114524 | 4-one | SEPPVOUBHWNCAW-FNORWQNLSA-N | (2E)-4-oxonon-2-enal | 4-Oxo-2-nonenal | SR-01000946218 | 4-Oxononenal | 4-oxo-nonenal | AKOS006284470 | HMS36

Specifications & Purity

Moligand™, ≥95%

Biochemical and Physiological Mechanisms

Lipid peroxidation product, actively modifies histidine and lysine residues on proteins and causes protein cross-linking. Shows a variety of biological activities and is a TRPA1 activator (EC 50 = 1.9 µM). Active in vivo .

Storage

Store at -20°C, Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Moligand™

Action Type

ACTIVATOR

Mechanism of action

Activator of TRPA1

Note

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 6 months. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

Purity

≥95%

Names and Identifiers

• Canonical Smiles: CCCCCC(=O)C=CC=O
• IUPAC Name: (E)-4-oxonon-2-enal
• InChIKey: SEPPVOUBHWNCAW-FNORWQNLSA-N
• INCHI: 1S/C9H14O2/c1-2-3-4-6-9(11)7-5-8-10/h5,7-8H,2-4,6H2,1H3/b7-5+
• Isomeric SMILES: CCCCCC(=O)/C=C/C=O
• Molecular Weight: 154.21
• Reaxy-Rn: 8899518
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8899518&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organic oxygen compounds
    • Class Organooxygen compounds
      • Subclass Carbonyl compounds
        • Level5 Aldehydes
          • Level6 Medium-chain aldehydes

• Kingdom: Organic compounds
• Superclass: Organic oxygen compounds
• Class: Organooxygen compounds
• Subclass: Carbonyl compounds
• Intermediate Tree Nodes: Aldehydes
• Direct Parent: Medium-chain aldehydes
• Alternative Parents: Enones Enals Acryloyl compounds Ketones Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Medium-chain aldehyde - Alpha,beta-unsaturated ketone - Enone - Enal - Alpha,beta-unsaturated aldehyde - Acryloyl-group - Ketone - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as medium-chain aldehydes. These are an aldehyde with a chain length containing between 6 and 12 carbon atoms.
• External Descriptors: Fatty aldehydes

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

TRPA1 Tclin Transient receptor potential cation channel subfamily A member 1 (2 Activities)

Discover Target: TRPA1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

Mechanisms of Action

Chemical and Physical Properties

• Solubility: Supplied in methyl acetate (5 mg/ml)
• Molecular Weight: 154.210 g/mol
• XLogP3: 1.600
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 6
• Exact Mass: 154.099 Da
• Monoisotopic Mass: 154.099 Da
• Topological Polar Surface Area: 34.100 Ų
• Heavy Atom Count: 11
• Formal Charge: 0
• Complexity: 148.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 1
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 1
• Covalently-Bonded Unit Count: 1

References

1. Hong Pan, Qi Luo, Qiuyi Jing, Lin Chen, Ni Li, Chao Fang, Fuguo Shi.  (2025)  Multiple endogenous aldehydes amplify acetaminophen-induced liver injury.  CHEMICO-BIOLOGICAL INTERACTIONS,      [PMID:40562332] [10.1016/j.cbi.2025.111619]