Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Arachidonic acid
RN: 506-32-1
UNII: 27YG812J1I
InChIKey: YZXBAPSDXZZRGB-DOFZRALJSA-N

Note

  • An unsaturated, essential fatty acid. It is found in animal and human fat as well as in the liver, brain, and glandular organs, and is a constituent of animal phosphatides. It is formed by the synthesis from dietary linoleic acid and is a precursor in the biosynthesis of prostaglandins, thromboxanes, and leukotrienes.

Molecular Formula

  • C20-H32-O2

Molecular Weight

  • 304.4708
 

Classification Codes

  • Drug / Therapeutic Agent
  • Mutation Data
  • Natural Product
  • Reproductive Effect
* denotes mobile formatted website

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • 5,8,11,14-Eicosatetraenoic acid
  • Arachidonic acid

MeSH Heading

  • Arachidonic acid

Synonyms

  • (5Z,8Z,11Z,14Z)-5,8,11,14-Eikosatetraensaeure
  • (all-Z)-5,8,11,14-Eicosatetraenoic acid
  • 5,8,11,14-Eicosatetraenoic acid, (all-Z)-
  • AI3-09613
  • Arachidonic acid
  • CCRIS 6312
  • EINECS 208-033-4
  • UNII-27YG812J1I

Systematic Names

  • 5,8,11,14-Eicosatetraenoic acid, (all-Z)-
  • Arachidonic acid
  • Icosa-5,8,11,14-tetraenoic acid

Registry Numbers

CAS Registry Number

  • 506-32-1

FDA UNII

  • 27YG812J1I

System Generated Number

  • 0000506321

Structure Descriptors

InChI

1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13,15-16H,2-5,8,11,14,17-19H2,1H3,(H,21,22)/b7-6-,10-9-,13-12-,16-15-

InChIKey

YZXBAPSDXZZRGB-DOFZRALJSA-N

Smiles

CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 39200ug/kg (39.2mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 274, Pg. 4, 1985.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -4.95E+01 deg C   EXP
log P (octanol-water) 6.98 (none)   EXP
Water Solubility 0.031 mg/L 25 EST
Vapor Pressure 1.55E-07 mm Hg 25 EST
Henry's Law Constant 5.38E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.38E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.