Ethyl arachidate - ≥95% , CAS No.18281-05-5

CAS: 18281-05-5 Cat. No.: E113750 Molecular Weight: 340.58 Beilstein Registry Number: 2(3)1067
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Ethyl Icosanoate | Arachidic acid ethyl ester | Icosanoic Acid Ethyl Ester
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E113750-1g
1

$33.90

$50.90
Save $17.00 (33.40%)
5g
E113750-5g
3

$40.90

$61.90
Save $21.00 (33.93%)
25g
E113750-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$190.90

$286.90
Save $96.00 (33.46%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Ethyl Icosanoate | Arachidic acid ethyl ester | Icosanoic Acid Ethyl Ester
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504753394
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753394
Canonical SmilesCCCCCCCCCCCCCCCCCCCC(=O)OCC
IUPAC Nameethyl icosanoate
InChIKeyYBKSMWBLSBAFBQ-UHFFFAOYSA-N
INCHI1S/C22H44O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(23)24-4-2/h3-21H2,1-2H3
Isomeric SMILES CCCCCCCCCCCCCCCCCCCC(=O)OCC
WGK Germany 3
Molecular Weight 340.58
Beilstein 2(3)1067
Reaxy-Rn 1792871
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1792871&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acid esters
Intermediate Tree Nodes Not available
Direct ParentFatty acid esters
Alternative Parents Carboxylic acid esters  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Fatty acid ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fatty acid esters. These are carboxylic ester derivatives of a fatty acid.
External Descriptors long-chain fatty acid ethyl ester
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
C1828124Certificate of AnalysisOct 21, 2025 E113750
C1828123Certificate of AnalysisOct 21, 2025 E113750
I1623011Certificate of AnalysisMay 09, 2024 E113750
Chemical and Physical Properties
Boil Point(°C)215°C
Melt Point(°C)44°C
Molecular Weight340.600 g/mol
XLogP310.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count20
Exact Mass340.334 Da
Monoisotopic Mass340.334 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count24
Formal Charge0
Complexity250.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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