Pterostilbene

Pterostilbene
Names
	Preferred IUPAC name 4-[(E)-2-(3,5-Dimethoxyphenyl)ethen-1-yl]phenol
	Other names 3',5'-Dimethoxy-4-stilbenol; 3,5-Dimethoxy-4'-hydroxy-E-stilbene; 3',5'-Dimethoxy-resveratrol
Identifiers
CAS Number	537-42-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:8630 ;
ChEMBL	ChEMBL83527 ;
ChemSpider	4445042 ;
ECHA InfoCard	100.122.141
IUPHAR/BPS	2681;
PubChem CID	5281727;
UNII	26R60S6A5I ;
CompTox Dashboard (EPA)	DTXSID9041106 ;
	InChI InChI=1S/C16H16O3/c1-18-15-9-13(10-16(11-15)19-2)4-3-12-5-7-14(17)8-6-12/h3-11,17H,1-2H3/b4-3+ Key: VLEUZFDZJKSGMX-ONEGZZNKSA-N ; InChI=1S/C16H16O3/c1-18-15-9-13(10-16(11-15)19-2)4-3-12-5-7-14(17)8-6-12/h3-11,17H,1-2H3/b4-3+ Key: VLEUZFDZJKSGMX-ONEGZZNKBK; Key: VLEUZFDZJKSGMX-ONEGZZNKSA-N;
	SMILES O(c1cc(cc(OC)c1)\C=C\c2ccc(O)cc2)C;
Properties
Chemical formula	C16H16O3
Molar mass	256.301 g·mol−1
	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

Pterostilbene (/ˌtɛrəˈstɪlbiːn/) (trans-3,5-dimethoxy-4-hydroxystilbene) is a stilbenoid chemically related to resveratrol. In plants, it serves a defensive phytoalexin role.