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Heterocyclic building blocks

Fuscin

Also known as 5-hydroxy-4,8,8-trimethyl-9,10-dihydro-4H-pyrano[4,3-f]chromene-2,6-dione, 9,10-Dihydro-5-hydroxy-4,8,8-trimethyl-2-H,4-H-benzo(1,2-b-4,3-c)-dipyran-2,6(8H)-dione, 2H,4H-Benzo(1,2-b:4,3-c')dipyran-2,6(8H)-dione, 9,10-dihydro-5-hydroxy-4,8,8-trimethyl-

CAS 83-85-2Formula C15H16O5Molar mass 276.29 g/mol
1 supplier listed
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Fuscin chemical structure, C15H16O5, CAS 83-85-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
83-85-2
Formula
C15H16O5
Molar mass
276.29 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is Fuscin?

Plain description, key identifiers and synonyms

fuscin has been reported in Oidiodendron griseum.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-4,8,8-trimethyl-9,10-dihydro-4H-pyrano[4,3-f]chromene-2,6-dione
CAS number
83-85-2 CAS number cross-checked
Molecular formula
C15H16O5
UNII
0J373729M0
MDL number
MFCD00599032
InChIKey
OSJKAGRXDVEZQO-UHFFFAOYSA-N
InChI
InChI=1S/C15H16O5/c1-7-11-9(6-10(16)19-7)8-4-5-15(2,3)20-14(8)13(18)12(11)17/h6-7,17H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CC1C2=C(C(=O)C3=C(C2=CC(=O)O1)CCC(O3)(C)C)O

Synonyms

  • 5-hydroxy-4,8,8-trimethyl-9,10-dihydro-4H-pyrano[4,3-f]chromene-2,6-dione
  • 9,10-Dihydro-5-hydroxy-4,8,8-trimethyl-2-H,4-H-benzo(1,2-b-4,3-c)-dipyran-2,6(8H)-dione
  • 2H,4H-Benzo(1,2-b:4,3-c')dipyran-2,6(8H)-dione, 9,10-dihydro-5-hydroxy-4,8,8-trimethyl-
  • 5-hydroxy-4,8,8-trimethyl-9,10-dihydro-4H-pyrano(4,3-f)chromene-2,6-dione
  • 3,4,7,9-Tetrahydroxy-6-methyl-1H-phenalen-1-one
  • 5-hydroxy-4,8,8-trimethyl-2H,4H,6H,8H,9H,10H-pyrano[3,2-f]isochromene-2,6-dione
  • 5-Hydroxy-4,8,8-trimethyl-9,10-dihydro-2H,4H-benzo[1,2-b:4,3-c']dipyran-2,6(8H)-dione
  • 9,10-Dihydro-5-hydroxy-4,8,8-trimethyl-2H,4H-benzo(1,2-b:4,3-c)dipyran-2,6(8H)-dione

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
276.29 g/molcalc.
Exact mass
276.0998 Dacalc.
LogP (octanol/water)
2.1calc.
Topological polar surface area
72.83 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
0calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.47calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C1C=C2C(=CC(=O)C3=C2CCCO3)CO1

O=C1C=C2C(=CC(=O)C3=C2CCCO3)CO1

3 rings, 16 atoms.

No other chemical in our database has 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.

Fuscin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Hello Bio
    United Kingdom, AvonmouthUnclaimed profile
    FuscinGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 1 country

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Fuscin 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

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 Fuscin is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Fuscin, based on the data on this page

What is Fuscin?

fuscin has been reported in Oidiodendron griseum.

What is the CAS number of Fuscin?

The CAS registry number of Fuscin is 83-85-2.

What is the molecular formula and weight of Fuscin?

The molecular formula of Fuscin is C15H16O5 and its molar mass is 276.29 g/mol.

What is Fuscin used for?

Known uses and roles of Fuscin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Fuscin hazardous?

No GHS hazard classification for Fuscin 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 Fuscin?

Fuscin is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fuscin?

CompoundList lists 1 supplier of Fuscin in United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fuscin?

Suppliers quote Fuscin 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 Fuscin

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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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