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Flavonoids and polyphenols

Flavan-4beta-ol

Also known as 4-Flavanol, (2R,4S)-, (2R,4S)-3,4-Dihydro-2-phenyl-2H-1-benzopyran-4-ol, 2H-1-Benzopyran-4-ol, 3,4-dihydro-2-phenyl-, (2R,4S)-

CAS 27439-08-3Formula C15H14O2Molar mass 226.28 g/mol
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Flavan-4beta-ol chemical structure, C15H14O2, CAS 27439-08-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
27439-08-3
Formula
C15H14O2
Molar mass
226.28 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Flavan-4beta-ol?

Plain description, key identifiers and synonyms

(2R,4S)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-ol has been reported in Morus alba.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,4S)-2-phenyl-3,4-dihydro-2H-chromen-4-ol
CAS number
27439-08-3
Molecular formula
C15H14O2
UNII
T9QS9RJJ8U
InChIKey
YTMFRMLVZQOBDR-DZGCQCFKSA-N
InChI
InChI=1S/C15H14O2/c16-13-10-15(11-6-2-1-3-7-11)17-14-9-5-4-8-12(13)14/h1-9,13,15-16H,10H2/t13-,15+/m0/s1
Canonical SMILES
OC1CC(c2ccccc2)Oc2ccccc21
Isomeric SMILES
C1[C@@H](C2=CC=CC=C2O[C@H]1C3=CC=CC=C3)O

Synonyms

  • 4-Flavanol, (2R,4S)-
  • (2R,4S)-3,4-Dihydro-2-phenyl-2H-1-benzopyran-4-ol
  • 2H-1-Benzopyran-4-ol, 3,4-dihydro-2-phenyl-, (2R,4S)-
  • 2H-1-Benzopyran-4-ol, 3,4-dihydro-2-phenyl-, (2R-trans)-

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
226.28 g/molcalc.
Exact mass
226.0994 Dacalc.
LogP (octanol/water)
3.24calc.
Topological polar surface area
29.46 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.2calc.
Formal charge
0calc.
Stereocentres
2calc.
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, c1ccc(C2CCc3ccccc3O2)cc1

c1ccc(C2CCc3ccccc3O2)cc1

3 rings, 16 atoms, the Flavan ring system.

326 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.

Flavan-4beta-ol suppliers

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Flavan-4beta-ol 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Flavan-4beta-ol 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 Flavan-4beta-ol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Flavan-4beta-ol, based on the data on this page

What is Flavan-4beta-ol?

(2R,4S)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-ol has been reported in Morus alba.

What is the CAS number of Flavan-4beta-ol?

The CAS registry number of Flavan-4beta-ol is 27439-08-3.

What is the molecular formula and weight of Flavan-4beta-ol?

The molecular formula of Flavan-4beta-ol is C15H14O2 and its molar mass is 226.28 g/mol.

Is Flavan-4beta-ol hazardous?

No GHS hazard classification for Flavan-4beta-ol 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 Flavan-4beta-ol?

Flavan-4beta-ol 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 Flavan-4beta-ol?

Post a free request on CompoundList and suppliers of Flavan-4beta-ol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Flavan-4beta-ol?

Suppliers quote Flavan-4beta-ol 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 Flavan-4beta-ol

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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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