1,7-Bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one

1,7-Bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one
Names
	Preferred IUPAC name (1E,4E,6E)-1,7-Bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one
Identifiers
CAS Number	(1E,4E,6E): 470466-05-8 ; (1Z,4E,6E): 149732-52-5;
3D model (JSmol)	(1E,4E,6E): Interactive image;
ChEBI	(1E,4E,6E): CHEBI:65502;
ChEMBL	(1E,4E,6E): ChEMBL469419 [EMBL];
ChemSpider	(1E,4E,6E): 8622469; (1Z,4E,6E): 30777515; (Unspecified stereochemistry): 28688976;
PubChem CID	(1E,4E,6E): 10447050;
	InChI (1E,4E,6E): InChI=1S/C19H16O3/c20-17(10-7-16-8-13-19(22)14-9-16)4-2-1-3-15-5-11-18(21)12-6-15/h1-14,21-22H/b3-1+,4-2+,10-7+ Key: PALMCMYYFAHUGA-BPTNNVFMSA-N; (1Z,4E,6E): Key: PALMCMYYFAHUGA-ZRFKDBLFSA-N; (Unspecified stereochemistry): Key: PALMCMYYFAHUGA-UHFFFAOYSA-N;
	SMILES (1E,4E,6E): c1cc(ccc1C=CC=CC(=O)C=Cc2ccc(cc2)O)O;
Properties
Chemical formula	C19H16O3
Molar mass	292.334 g·mol−1
Appearance	Yellow powder
Melting point	168–170 °C (334–338 °F; 441–443 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

1,7-Bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one is a natural product, a curcuminoid antioxidant found in turmeric (Curcuma longa) and torch ginger (Etlingera elatior).