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Screening compounds

Hyperxanthone E

Also known as 5,9,11-trihydroxy-3,3-dimethyl-1,2-dihydropyrano[3,2-a]xanthen-12-one, 5,9,11-trihydroxy-3,3-dimethyl-2,3-dihydropyrano[3,2-a]xanthen-12(1H)-one, pyrano[3,2-a]xanthen-12(1H)-one, 2,3-dihydro-5,9,11-trihydroxy-3,3-dimethyl-

CAS 819860-76-9Formula C18H16O6Molar mass 328.32 g/mol
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Hyperxanthone E chemical structure, C18H16O6, CAS 819860-76-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
819860-76-9
Formula
C18H16O6
Molar mass
328.32 g/mol
HS code
293299
Category
Screening compounds

What is Hyperxanthone E?

Plain description, key identifiers and synonyms

Hyperxanthone E is a pyranoxanthene that is 2,3-dihydropyrano[3,2-a]xanthen-12(1H)-one substituted by hydroxy groups at positions 5, 9 and 11 and geminal methyl groups at position 3. Isolated from the aerial parts of Hypericum scabrum, it exhibits cytotoxicity for human tumour cells. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol, a cyclic ketone and a pyranoxanthene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5,9,11-trihydroxy-3,3-dimethyl-1,2-dihydropyrano[3,2-a]xanthen-12-one
CAS number
819860-76-9
Molecular formula
C18H16O6
InChIKey
JXBWMJZDYVJVIV-UHFFFAOYSA-N
InChI
InChI=1S/C18H16O6/c1-18(2)4-3-9-14-13(7-11(21)17(9)24-18)23-12-6-8(19)5-10(20)15(12)16(14)22/h5-7,19-21H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CC1(CCC2=C(O1)C(=CC3=C2C(=O)C4=C(C=C(C=C4O3)O)O)O)C

Synonyms

  • 5,9,11-trihydroxy-3,3-dimethyl-1,2-dihydropyrano[3,2-a]xanthen-12-one
  • 5,9,11-trihydroxy-3,3-dimethyl-2,3-dihydropyrano[3,2-a]xanthen-12(1H)-one
  • pyrano[3,2-a]xanthen-12(1H)-one, 2,3-dihydro-5,9,11-trihydroxy-3,3-dimethyl-
  • 5,9,11-trihydroxy-3,3-dimethyl-1,2-dihydropyrano(3,2-a)xanthen-12-one
  • 5,9,11-trihydroxy-3,3-dimethyl-2,3-dihydropyrano(3,2-a)xanthen-12(1H)-one
  • pyrano(3,2-a)xanthen-12(1H)-one, 2,3-dihydro-5,9,11-trihydroxy-3,3-dimethyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
328.32 g/molcalc.
Exact mass
328.0947 Dacalc.
LogP (octanol/water)
3.17calc.
Topological polar surface area
100.1 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
24calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.28calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1c2ccccc2oc2ccc3c(c12)CCCO3

O=c1c2ccccc2oc2ccc3c(c12)CCCO3

4 rings, 19 atoms.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Hyperxanthone E suppliers

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Hyperxanthone E price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antineoplastic agent
  • metabolite
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hyperxanthone E is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Hyperxanthone E is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hyperxanthone E, based on the data on this page

What is Hyperxanthone E?

Hyperxanthone E is a pyranoxanthene that is 2,3-dihydropyrano[3,2-a]xanthen-12(1H)-one substituted by hydroxy groups at positions 5, 9 and 11 and geminal methyl groups at position 3. Isolated from the aerial parts of Hypericum scabrum, it exhibits cytotoxicity for human tumour cells.

What is the CAS number of Hyperxanthone E?

The CAS registry number of Hyperxanthone E is 819860-76-9.

What is the molecular formula and weight of Hyperxanthone E?

The molecular formula of Hyperxanthone E is C18H16O6 and its molar mass is 328.32 g/mol.

What is Hyperxanthone E used for?

Known uses and roles of Hyperxanthone E include building blocks in research and laboratory, screening compounds in research and laboratory, antineoplastic agent, metabolite and pharmaceutical.

Is Hyperxanthone E hazardous?

No GHS hazard classification for Hyperxanthone E is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Hyperxanthone E?

Hyperxanthone E is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hyperxanthone E?

Post a free request on CompoundList and suppliers of Hyperxanthone E will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hyperxanthone E?

Suppliers quote Hyperxanthone E on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hyperxanthone E

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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