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Screening compounds

Galbinic acid

Also known as (4-formyl-5,13,17-trihydroxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3(8),4,6,12,14(18)-hexaen-12-yl)methyl acetate, (4-formyl-5,13,17-trihydroxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo(9.7.0.03,8.014,18)octadeca-1(11),3(8),4,6,12,14(18)-hexaen-12-yl)methyl acetate, 5-[(acetyloxy)methyl]-1,3-dihydro-1,4,10-trihydroxy-8-methyl-3,7-dioxo-7H-isobenzofuro[4,5-b][1,4]benzodioxepin-11-carboxaldehyde

CAS 56691-88-4Formula C20H14O11Molar mass 430.32 g/mol
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Galbinic acid chemical structure, C20H14O11, CAS 56691-88-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
56691-88-4
Formula
C20H14O11
Molar mass
430.32 g/mol
HS code
293220
Category
Screening compounds

What is Galbinic acid?

Plain description, key identifiers and synonyms

galbinic acid has been reported in Usnea undulata, Usnea angulata, and Usnea subfloridana.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4-formyl-5,13,17-trihydroxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3(8),4,6,12,14(18)-hexaen-12-yl)methyl acetate
CAS number
56691-88-4
Molecular formula
C20H14O11
InChIKey
IHMXDYQQUZKOON-UHFFFAOYSA-N
InChI
InChI=1S/C20H14O11/c1-6-3-10(23)8(4-21)15-11(6)18(25)30-16-9(5-28-7(2)22)14(24)12-13(17(16)29-15)20(27)31-19(12)26/h3-4,20,23-24,27H,5H2,1-2H3
SMILES (canonical and isomeric)
CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C4=C(C(=C3COC(=O)C)O)C(=O)OC4O)C=O)O

Synonyms

  • (4-formyl-5,13,17-trihydroxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3(8),4,6,12,14(18)-hexaen-12-yl)methyl acetate
  • (4-formyl-5,13,17-trihydroxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo(9.7.0.03,8.014,18)octadeca-1(11),3(8),4,6,12,14(18)-hexaen-12-yl)methyl acetate
  • 5-[(acetyloxy)methyl]-1,3-dihydro-1,4,10-trihydroxy-8-methyl-3,7-dioxo-7H-isobenzofuro[4,5-b][1,4]benzodioxepin-11-carboxaldehyde
  • (11-Formyl-1,4,10-trihydroxy-8-methyl-3,7-dioxo-1,3-dihydro-7H-benzo[6,7][1,4]dioxepino[2,3-e]isobenzofuran-5-yl)methyl acetate
  • cent-Acetylsalazinic acid

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
430.32 g/molcalc.
Exact mass
430.0536 Dacalc.
LogP (octanol/water)
1.77calc.
Topological polar surface area
165.9 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
11calc.
Rotatable bonds
3calc.
Heavy atoms
31calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.2calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (1 violation)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=C1Oc2ccc3c(c2Oc2ccccc21)COC3=O

O=C1Oc2ccc3c(c2Oc2ccccc21)COC3=O

4 rings, 20 atoms, the 7H-Isobenzofuro[4,5-b][1,4]benzodioxepin-3,7(1H)-dione ring system.

9 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.

Galbinic acid suppliers

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Where suppliers are based

1 supplier in 1 country

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Galbinic acid price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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 Galbinic acid 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 Galbinic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Galbinic acid, based on the data on this page

What is Galbinic acid?

galbinic acid has been reported in Usnea undulata, Usnea angulata, and Usnea subfloridana.

What is the CAS number of Galbinic acid?

The CAS registry number of Galbinic acid is 56691-88-4.

What is the molecular formula and weight of Galbinic acid?

The molecular formula of Galbinic acid is C20H14O11 and its molar mass is 430.32 g/mol.

What is Galbinic acid used for?

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

Is Galbinic acid hazardous?

No GHS hazard classification for Galbinic acid 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 Galbinic acid?

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

Where can I buy Galbinic acid?

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

What is the price of Galbinic acid?

Suppliers quote Galbinic acid 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 Galbinic acid

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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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