Calostomal

Calostomal
Names
	Preferred IUPAC name (2E,4E,6E,8E,10E,12E,14E)-16-Oxohexadeca-2,4,6,8,10,12,14-heptaenoic acid
Identifiers
CAS Number	935858-29-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	28283879;
PubChem CID	71308171;
UNII	QD4HPW6LBB ;
CompTox Dashboard (EPA)	DTXSID00745429 ;
	InChI InChI=1S/C16H16O3/c17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16(18)19/h1-15H,(H,18,19)/b2-1+,5-3+,6-4+,9-7+,10-8+,13-11+,14-12+ Key: GIIWFUDWDOUFTE-JCSPMBIZSA-N; InChI=1/C16H16O3/c17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16(18)19/h1-15H,(H,18,19)/b2-1+,5-3+,6-4+,9-7+,10-8+,13-11+,14-12+ Key: GIIWFUDWDOUFTE-JCSPMBIZBZ;
	SMILES C(=C/C=C/C=C/C=C/C(=O)O)\C=C\C=C\C=C\C=O;
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). Infobox references

Calostomal is an organic compound that has a carboxylic acid and an aldehyde group. It is a red-orange solid that is extracted from the mushroom Calostoma cinnabarinum, hence the name. The structure of this compound was confirmed by NMR and mass spectrometry of the methyl ester derivative.^[1] This compound is a highly conjugated polyene somewhat similar to the lycopene found in tomatoes.

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References