Tetraphlorethol C

Tetraphlorethol C
Names
	Preferred IUPAC name 2,4,6-Trioxa-1,7(1),3,5(1,4)-tetrabenzenaheptaphane-12,14,16,33,35,53,55,73,75-nonol
	Other names 2-[4-[4-(3,5-dihydroxyphenoxy)-3,5-dihydroxyphenoxy]-3,5-dihydroxyphenoxy]benzene-1,3,5-triol
Identifiers
3D model (JSmol)	Interactive image ;
ChemSpider	129556847 ;
PubChem CID	71308282 ;
CompTox Dashboard (EPA)	DTXSID901030421 ;
	InChI InChI=1S/C24H18O12/c25-10-1-11(26)3-13(2-10)34-23-18(30)8-15(9-19(23)31)36-24-20(32)6-14(7-21(24)33)35-22-16(28)4-12(27)5-17(22)29/h1-9,25-33H Key: YOFARVUPGKULPN-UHFFFAOYSA-N;
	SMILES c4c(O)cc(O)cc4Oc1c(O)cc(cc1O)Oc3c(O)cc(cc3O)Oc2c(O)cc(O)cc2O;
Properties
Chemical formula	C24H18O12
Molar mass	498.396 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

Last updated July 20, 2025

Tetraphlorethol C is a phlorethol-type phlorotannin found in the brown alga Ascophyllum nodosum .^[1] Chemically, it is a tetramer of 1,2,3,5-tetrahydroxybenzene.

References

↑ Wang, Y.; Xu, Z.; Bach, S.J.; McAllister, T.A. (2008). "Effects of phlorotannins from Ascophyllum nodosum (Brown seaweed) on in vitro ruminal digestion of mixed forage or barley grain". Animal Feed Science and Technology. 145 (1–4): 375–395. doi:10.1016/j.anifeedsci.2007.03.013.

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[1] Wang, Y.; Xu, Z.; Bach, S.J.; McAllister, T.A. (2008). "Effects of phlorotannins from Ascophyllum nodosum (Brown seaweed) on in vitro ruminal digestion of mixed forage or barley grain". Animal Feed Science and Technology. 145 (1–4): 375–395. doi:10.1016/j.anifeedsci.2007.03.013.

[1]

v t e Types of phlorotannins (tannins in brown algae)
Monomer	Phloroglucinol
Fucols	Difucol Trifucol Tetrafucol A Tetrafucol B cis-Pentafucol A
Phlorethols	Diphlorethol and diphlorethol A Triphloroethol A Tetraphlorethol A, B, C and E Pentaphlorethol-B Hexaphlorethol-A
Fucophlorethols	Fucophlorethol A and B Fucodiphlorethol A, D and G Fucotriphlorethol-B, G and H Fucotetraphlorethol-B, J and K Fucopentaphlorethol-E Bisfucotriphlorethol-A Bisfucotetraphlorethol-A Bisfucopentaphlorethol-A and B Bisfucoheptaphlorethol-A Difucophlorethol-A Difucofucotriphlorethol-A and B Difucofucotetraphlorethol-A Terfucopentaphlorethol-A Terfucohexaphlorethol-A and B Terfucoheptaphlorethol-A
Fuhalols	Bifuhalol Trifuhalol A Tetrafuhalol A
Isofuhalols	Tetraisofuhalol
Eckols	Dieckol Eckol Eckstolonol Phlorofucofuroeckol A and B 2-Phloroeckol 3-Phloroeckol 6,6'-Bieckol 7-Phloroeckol 8,4"'-Dieckol 8,8′-Bieckol
Halogenated phlorotannins	Bromotriphlorethol A1

Names

Preferred IUPAC name 2,4,6-Trioxa-1,7(1),3,5(1,4)-tetrabenzenaheptaphane-1²,1⁴,1⁶,3³,3⁵,5³,5⁵,7³,7⁵-nonol
Other names 2-[4-[4-(3,5-dihydroxyphenoxy)-3,5-dihydroxyphenoxy]-3,5-dihydroxyphenoxy]benzene-1,3,5-triol
Identifiers
3D model (JSmol)	Interactive image
ChemSpider	129556847
PubChem CID	71308282
CompTox Dashboard (EPA)	DTXSID901030421
InChI InChI=1S/C24H18O12/c25-10-1-11(26)3-13(2-10)34-23-18(30)8-15(9-19(23)31)36-24-20(32)6-14(7-21(24)33)35-22-16(28)4-12(27)5-17(22)29/h1-9,25-33H Key: YOFARVUPGKULPN-UHFFFAOYSA-N
SMILES c4c(O)cc(O)cc4Oc1c(O)cc(cc1O)Oc3c(O)cc(cc3O)Oc2c(O)cc(O)cc2O
Properties
Chemical formula	C₂₄H₁₈O₁₂
Molar mass	498.396 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