Arachidonic acid

CAS Registry Number®

506-32-1

CAS Name

Arachidonic acid

Molecular Formula

C20H32O2

Molecular Mass

304.47

Cite this Page

Arachidonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=506-32-1 (retrieved 2025-07-18) (CAS RN: 506-32-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    170 °C

  • Melting Point (1)

    -49.5 °C

  • Density (2)

    0.9247 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey=YZXBAPSDXZZRGB-DOFZRALJSA-N

SMILES

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

Canonical SMILES

O=C(O)CCCC=CCC=CCC=CCC=CCCCCC

Other Names for this Substance

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

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Deleted or Replaced CAS Registry Numbers

929-92-0, 10417-93-3, 405115-24-4, 1262978-13-1

CAS INSIGHTSTM
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