CompoundList
Sign in
Flavonoids and polyphenols

(-)-7-Hydroxyflavanone

Also known as (2S)-7-hydroxyflavanone, (S)-7-Hydroxy-2-phenylchroman-4-one, (2S)-7-hydroxy-2-phenyl-2,3-dihydro-4H-chromen-4-one

CAS 2545-13-3Formula C15H12O3Molar mass 240.26 g/mol
Get quotes Safety data
(-)-7-Hydroxyflavanone chemical structure, C15H12O3, CAS 2545-13-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2545-13-3
Formula
C15H12O3
Molar mass
240.26 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is (-)-7-Hydroxyflavanone?

Plain description, key identifiers and synonyms

(2S)-7-hydroxyflavanone is a 7-hydroxyflavanone. It is functionally related to a (2S)-flavanone. It is an enantiomer of a (2R)-7-hydroxyflavanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-7-hydroxy-2-phenyl-2,3-dihydrochromen-4-one
CAS number
2545-13-3Other or deprecated CAS: 6583-40-0
Molecular formula
C15H12O3
UNII
MF98742K2H
InChIKey
SWAJPHCXKPCPQZ-AWEZNQCLSA-N
InChI
InChI=1S/C15H12O3/c16-11-6-7-12-13(17)9-14(18-15(12)8-11)10-4-2-1-3-5-10/h1-8,14,16H,9H2/t14-/m0/s1
Canonical SMILES
O=C1CC(c2ccccc2)Oc2cc(O)ccc21
Isomeric SMILES
C1[C@H](OC2=C(C1=O)C=CC(=C2)O)C3=CC=CC=C3

Synonyms

  • (2S)-7-hydroxyflavanone
  • (S)-7-Hydroxy-2-phenylchroman-4-one
  • (2S)-7-hydroxy-2-phenyl-2,3-dihydro-4H-chromen-4-one
  • (2S)-7-hydroxy-2-phenyl-2,3-dihydrochromen-4-one
  • 7-Hydroxyflavanone, (S)-
  • Flavanone, 7-hydroxy-, (-)-
  • 4H-1-Benzopyran-4-one, 2,3-dihydro-7-hydroxy-2-phenyl-, (2S)-
  • 4H-1-Benzopyran-4-one, 2,3-dihydro-7-hydroxy-2-phenyl-, (S)-
  • 7-hydroxy-2-phenyl-chroman-4-one
  • 5,4'-Dideoxyflavanone
  • 2H-1-Benzopyran-7-yloxy
  • (S)-7-hydroxyflavanone
  • (2S)-7-Hydroxy-2-phenyl-2,3-dihydro-4H-1-benzopyran-4-one

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
240.26 g/molcalc.
Exact mass
240.0786 Dacalc.
LogP (octanol/water)
3.1calc.
Topological polar surface area
46.53 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
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.

(-)-7-Hydroxyflavanone suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade (-)-7-Hydroxyflavanone can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

(-)-7-Hydroxyflavanone 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.

Get latest price

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 (-)-7-Hydroxyflavanone 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 (-)-7-Hydroxyflavanone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (-)-7-Hydroxyflavanone, based on the data on this page

What is (-)-7-Hydroxyflavanone?

(2S)-7-hydroxyflavanone is a 7-hydroxyflavanone. It is functionally related to a (2S)-flavanone. It is an enantiomer of a (2R)-7-hydroxyflavanone.

What is the CAS number of (-)-7-Hydroxyflavanone?

The CAS registry number of (-)-7-Hydroxyflavanone is 2545-13-3. Other or deprecated CAS numbers: 6583-40-0.

What is the molecular formula and weight of (-)-7-Hydroxyflavanone?

The molecular formula of (-)-7-Hydroxyflavanone is C15H12O3 and its molar mass is 240.26 g/mol.

Is (-)-7-Hydroxyflavanone hazardous?

No GHS hazard classification for (-)-7-Hydroxyflavanone 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 (-)-7-Hydroxyflavanone?

(-)-7-Hydroxyflavanone 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 (-)-7-Hydroxyflavanone?

Post a free request on CompoundList and suppliers of (-)-7-Hydroxyflavanone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (-)-7-Hydroxyflavanone?

Suppliers quote (-)-7-Hydroxyflavanone 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 (-)-7-Hydroxyflavanone

Get quotes for (-)-7-Hydroxyflavanone

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell (-)-7-Hydroxyflavanone
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of (-)-7-Hydroxyflavanone with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/7-hydroxyflavanone-2545-13-3" title="(-)-7-Hydroxyflavanone structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Flavonoids and polyphenols or HS code 293299

Price on request
Free quotes, contact stays private
Get quotes