Γ-Linolenic acid

**γ-Linolenic acid**
Names
	Preferred IUPAC name (6Z,9Z,12Z)-Octadeca-6,9,12-trienoic acid
	Other names Gamma-linolenic acid, gamolenic acid, GLA
Identifiers
CAS Number	506-26-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:28661 ;
ChEMBL	ChEMBL464982 ;
ChemSpider	4444436 ;
ECHA InfoCard	100.107.263
IUPHAR/BPS	4710;
PubChem CID	5280933;
UNII	78YC2MAX4O ;
CompTox Dashboard (EPA)	DTXSID7046170 ;
	InChI InChI=1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10,12-13H,2-5,8,11,14-17H2,1H3,(H,19,20)/b7-6-,10-9-,13-12- Key: VZCCETWTMQHEPK-QNEBEIHSSA-N ; InChI=1/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10,12-13H,2-5,8,11,14-17H2,1H3,(H,19,20)/b7-6-,10-9-,13-12- Key: VZCCETWTMQHEPK-QNEBEIHSBP;
	SMILES O=C(O)CCCC\C=C/C\C=C/C\C=C/CCCCC;
Properties
Chemical formula	C18H30O2
Molar mass	278.436 g·mol−1
Appearance	Colorless oil
Pharmacology
ATC code	D11AX02 (WHO)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

γ-Linolenic acid or GLA (INN: gamolenic acid) is an n−6, or omega-6, fatty acid found primarily in seed oils. When acting on GLA, arachidonate 5-lipoxygenase produces no leukotrienes and the conversion by the enzyme of arachidonic acid to leukotrienes is inhibited.