arachidonic acid
C20H32O2
Arachidonic acid has the molecular formula C20H32O2 and a molar mass of 304.5 g/mol and a melting point of -49.5 °C.
Properties
| Molecular formula | C20H32O2 |
|---|---|
| Molar mass | 304.5 g/mol |
| Exact (monoisotopic) mass | 304.24023 g/mol |
| Melting point | -49.5 °C |
| Density | 0.922 g/cm³ |
| logP (octanol–water) | 6.3 |
| Topological polar surface area | 37.3 Ų |
| Hydrogen-bond donors / acceptors | 1 / 2 |
| Heavy atoms | 22 |
| InChIKey | YZXBAPSDXZZRGB-DOFZRALJSA-N |
| IUPAC name | (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoic acid |
Elemental composition
54 atoms across 3 elements, by mass.
| Element | Atoms | Percent by mass |
|---|---|---|
| Carbon (C) | 20 | 78.90% |
| Hydrogen (H) | 32 | 10.59% |
| Oxygen (O) | 2 | 10.51% |
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Related compounds
Molar mass and elemental composition are computed from IUPAC 2021 conventional atomic weights. Formula, exact mass and the computed descriptors come from PubChem, which is US government work and in the public domain. Melting point, boiling point and density come from Wikidata under CC0. Properties with no figure shown are absent from those sources rather than zero.