2-Ethylhexanoic acid - CP, ≥98% , CAS No.149-57-5

CAS: 149-57-5 Cat. No.: E103542 Formula: C₈H₁₆O₂ Molecular Weight: 144.21 Beilstein Registry Number: 1750468 EC Number: 205-743-6

GRADE & PURITY CP, ≥98%

Synonyms

2 ETHYL HEXANOIC ACID | EN300-20410 | NCGC00258957-01 | 2-Ethyl-1-hexanoic acid | BRN 1750468 | Hexanoic acid, 2-ethyl-, (-)- | HMS2267F21 | alpha-ethyl caproic acid | Tox21_300108 | Ethyl hexanoic acid | Ethylhexanoic acid | F0001-0703 | Kyselina heptan-

Storage

Room temperature

Shipped In

Normal

Specifications

Synonyms

2 ETHYL HEXANOIC ACID | EN300-20410 | NCGC00258957-01 | 2-Ethyl-1-hexanoic acid | BRN 1750468 | Hexanoic acid, 2-ethyl-, (-)- | HMS2267F21 | alpha-ethyl caproic acid | Tox21_300108 | Ethyl hexanoic acid | Ethylhexanoic acid | F0001-0703 | Kyselina heptan-

Specifications & Purity

CP, ≥98%

Storage

Room temperature

Shipped In

Normal

Grade

CP

Purity

≥98%

Names and Identifiers

Pubchem Sid

488180863

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/488180863

Canonical Smiles

CCCCC(CC)C(=O)O

IUPAC Name

2-ethylhexanoic acid

InChIKey

OBETXYAYXDNJHR-UHFFFAOYSA-N

INCHI

1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)

Isomeric SMILES

CCCCC(CC)C(=O)O

WGK Germany

1

RTECS

MO7700000

Alternate CAS

25103-52-0

Molecular Weight

144.21

Beilstein

1750468

Reaxy-Rn

1721433

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1721433&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Lipids and lipid-like molecules
    • Class Fatty Acyls
      • Subclass Fatty acids and conjugates

• Kingdom: Organic compounds
• Superclass: Lipids and lipid-like molecules
• Class: Fatty Acyls
• Subclass: Fatty acids and conjugates
• Intermediate Tree Nodes: Not available
• Direct Parent: Medium-chain fatty acids
• Alternative Parents: Branched fatty acids Monocarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Medium-chain fatty acid - Branched fatty acid - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.
• External Descriptors: Branched fatty acids

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)

CA2 Tclin Carbonic anhydrase II (17698 Activities)

Discover Target: CA2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AR Tclin Androgen Receptor (11781 Activities)

Discover Target: AR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PTH1R Tclin Parathyroid hormone receptor (47172 Activities)

Discover Target: PTH1R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CA1 Tclin Carbonic anhydrase I (13240 Activities)

Discover Target: CA1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Mapk1 MAP kinase ERK2 (650 Activities)

Discover Target: Mapk1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Slc22a20 Solute carrier family 22 member 20 (86 Activities)

Discover Target: Slc22a20

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Solubility: Slightly soluble in water and alcohol, soluble in ether and hot water.
• Sensitivity: Moisture sensitive.
• Refractive Index: 1.424-1.426
• Flash Point(°F): 237.2 °F
• Flash Point(°C): 114℃
• Boil Point(°C): 228°C
• Melt Point(°C): -59°C
• Molecular Weight: 144.210 g/mol
• XLogP3: 2.600
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 5
• Exact Mass: 144.115 Da
• Monoisotopic Mass: 144.115 Da
• Topological Polar Surface Area: 37.300 Ų
• Heavy Atom Count: 10
• Formal Charge: 0
• Complexity: 99.400
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 1
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

Frequently Asked Questions

What is the purity of this product?

This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

What does CP mean?

CP is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. CP is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.

How should this product be stored?

Store at room temperature.

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 149-57-5, the molecular formula is C8H16O2, and the molecular weight is 144.21 g/mol. InChIKey OBETXYAYXDNJHR-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.