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Flavonoids and polyphenols

beta-Naphthoflavone

Also known as 5,6-Benzoflavone, beta-NF, 3-Phenyl-1H-naphtho(2,1-b)pyran-1-one

CAS 6051-87-2Formula C19H12O2Molar mass 272.30 g/molEC 227-958-4
GHS signal word: Warning. Pictograms: Harmful or irritant 53 suppliers listed
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beta-Naphthoflavone chemical structure, C19H12O2, CAS 6051-87-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6051-87-2
Formula
C19H12O2
Molar mass
272.30 g/mol
EC number
227-958-4
HS code
293299
Category
Flavonoids and polyphenols

What is beta-Naphthoflavone?

Plain description, key identifiers and synonyms

Beta-naphthoflavone is an extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. It has a role as an aryl hydrocarbon receptor agonist. It is an organic heterotricyclic compound, a naphtho-gamma-pyrone and an extended flavonoid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-phenylbenzo[f]chromen-1-one
CAS number
6051-87-2 CAS number cross-checked
EC number
227-958-4
Molecular formula
C19H12O2
UNII
1BT0256Y8O
MDL number
MFCD00004986
InChIKey
OUGIDAPQYNCXRA-UHFFFAOYSA-N
InChI
InChI=1S/C19H12O2/c20-16-12-18(14-7-2-1-3-8-14)21-17-11-10-13-6-4-5-9-15(13)19(16)17/h1-12H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC4=CC=CC=C43

Synonyms

  • 5,6-Benzoflavone
  • beta-NF
  • 3-Phenyl-1H-naphtho(2,1-b)pyran-1-one
  • 3-phenylbenzo[f]chromen-1-one
  • 3-Phenyl-1H-naphtho[2,1-b]pyran-1-one
  • 1H-Naphtho(2,1-b)pyran-1-one, 3-phenyl-
  • 1H-Naphtho[2,1-b]pyran-1-one, 3-phenyl-
  • 5,6 Benzoflavone
  • 3-phenylbenzo(f)chromen-1-one
  • beta Naphthoflavone
  • betaNF
  • 3-Phenyl-1H-benzo[f]chromen-1-one
  • b-naphthoflavone
  • 3-Phenyl-benzo[f]chromen-1-one
  • beta -naphthoflavone
  • benzo[f]flavone
  • beta-naphthoflavone, 99+%
  • 1H-Naphtho[2, 3-phenyl-
  • Benzoflavone, 5,6-
  • 3-Phenyl-1H-benzo[f]chromen-1-one #
  • 1H-Naphtho[2,1-b]pyran-1-one, 3-phenyl

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
272.30 g/molcalc.
Exact mass
272.0837 Dacalc.
LogP (octanol/water)
4.61calc.
Topological polar surface area
30.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
21calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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)oc2ccc3ccccc3c12

O=c1cc(-c2ccccc2)oc2ccc3ccccc3c12

4 rings, 21 atoms. This chemical is the scaffold itself.

20 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

beta-Naphthoflavone suppliers

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All 53 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

53 suppliers in 12 countries

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beta-Naphthoflavone 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

Pharmacological actions

  • Enzyme Inhibitors

Roles

  • agonist
  • aryl hydrocarbon receptor agonist

Pharmacology

Beta-Naphthoflavone is a polycyclic aromatic hydrocarbon that consists of a flavone group attached to a benzene ring. Beta-naphthoflavone is an inducer of the hepatic cytochrome p450 CYP1A1 and CYP1A2.

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

Frequently asked questions

Quick answers about beta-Naphthoflavone, based on the data on this page

What is beta-Naphthoflavone?

Beta-naphthoflavone is an extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone. It has a role as an aryl hydrocarbon receptor agonist. It is an organic heterotricyclic compound, a naphtho-gamma-pyrone and an extended flavonoid.

What is the CAS number of beta-Naphthoflavone?

The CAS registry number of beta-Naphthoflavone is 6051-87-2.

What is the molecular formula and weight of beta-Naphthoflavone?

The molecular formula of beta-Naphthoflavone is C19H12O2 and its molar mass is 272.30 g/mol.

What is beta-Naphthoflavone used for?

Known uses and roles of beta-Naphthoflavone include biochemical and pharmacological tools in research and laboratory, agonist, aryl hydrocarbon receptor agonist and enzyme inhibitors.

Is beta-Naphthoflavone hazardous?

beta-Naphthoflavone carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of beta-Naphthoflavone?

beta-Naphthoflavone 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 beta-Naphthoflavone?

CompoundList lists 53 suppliers of beta-Naphthoflavone in China, United States, United Kingdom, Hong Kong and 8 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of beta-Naphthoflavone?

Suppliers quote beta-Naphthoflavone 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 beta-Naphthoflavone

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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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