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Flavonoids and polyphenols

Glabranin

Also known as (2S)-5,7-dihydroxy-8-(3-methylbut-2-enyl)-2-phenyl-2,3-dihydrochromen-4-one, Glabranine, 8-Prenylpinocembrin

CAS 41983-91-9Formula C20H20O4Molar mass 324.38 g/mol
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Glabranin chemical structure, C20H20O4, CAS 41983-91-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
41983-91-9
Formula
C20H20O4
Molar mass
324.38 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Glabranin?

Plain description, key identifiers and synonyms

Glabranin is a dihydroxyflavanone that is pinocembrin substituted by a prenyl group at position 8. It has a role as a plant metabolite. It is a (2S)-flavan-4-one and a dihydroxyflavanone. It is functionally related to a pinocembrin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-5,7-dihydroxy-8-(3-methylbut-2-enyl)-2-phenyl-2,3-dihydrochromen-4-one
CAS number
41983-91-9 CAS number cross-checked
Molecular formula
C20H20O4
InChIKey
DAWSYIQAGQMLFS-SFHVURJKSA-N
InChI
InChI=1S/C20H20O4/c1-12(2)8-9-14-15(21)10-16(22)19-17(23)11-18(24-20(14)19)13-6-4-3-5-7-13/h3-8,10,18,21-22H,9,11H2,1-2H3/t18-/m0/s1
Canonical SMILES
CC(C)=CCc1c(O)cc(O)c2c1OC(c1ccccc1)CC2=O
Isomeric SMILES
CC(=CCC1=C2C(=C(C=C1O)O)C(=O)C[C@H](O2)C3=CC=CC=C3)C

Synonyms

  • (2S)-5,7-dihydroxy-8-(3-methylbut-2-enyl)-2-phenyl-2,3-dihydrochromen-4-one
  • Glabranine
  • 8-Prenylpinocembrin
  • (2S)-5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-2-phenyl-2,3-dihydro-4H-1-benzopyran-4-one
  • (2s)-5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-2-phenyl-2,3-dihydro-4h-chromen-4-one
  • 8-dimethylallylpinocembrin
  • (S)-2,3-Dihydro-5,7-dihydroxy-8-(3-methyl-2-butenyl)-2-phenyl-4H-1-benzopyran-4-one
  • 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-8-(3-methyl-2-butenyl)-2-phenyl-, (S)-
  • (2S)-2,3-Dihydro-5,7-dihydroxy-8-(3-methyl-2-buten-1-yl)-2-phenyl-4H-1-benzopyran-4-one
  • (2S)-5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one
  • (2S)-5,7-dihydroxy-8-(3-methylbut-2-enyl)-2-phenylchroman-4-one
  • (2S)-5,7-dihydroxy-8-(3-methylbut-2-enyl)-2-phenyl-chroman-4-one
  • (S)-5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-2-phenylchroman-4-one
  • 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-8-(3-methyl-2-butenyl)-2-phenyl-, (2S)-

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
324.38 g/molcalc.
Exact mass
324.1362 Dacalc.
LogP (octanol/water)
4.31calc.
Topological polar surface area
66.76 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.25calc.
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=C1CC(c2ccccc2)Oc2ccccc21

O=C1CC(c2ccccc2)Oc2ccccc21

3 rings, 17 atoms, the Flavanone ring system.

742 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.

Glabranin suppliers

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Glabranin 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

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

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

Frequently asked questions

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

What is Glabranin?

Glabranin is a dihydroxyflavanone that is pinocembrin substituted by a prenyl group at position 8. It has a role as a plant metabolite. It is a (2S)-flavan-4-one and a dihydroxyflavanone. It is functionally related to a pinocembrin.

What is the CAS number of Glabranin?

The CAS registry number of Glabranin is 41983-91-9.

What is the molecular formula and weight of Glabranin?

The molecular formula of Glabranin is C20H20O4 and its molar mass is 324.38 g/mol.

What is Glabranin used for?

Known uses and roles of Glabranin include eukaryotic metabolite, metabolite and plant metabolite.

Is Glabranin hazardous?

No GHS hazard classification for Glabranin 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 Glabranin?

Glabranin 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 Glabranin?

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

What is the price of Glabranin?

Suppliers quote Glabranin 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 Glabranin

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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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