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α-Naphthoflavone

Also known as: 7,8-Benzoflavone, 2-Phenyl-4H-benzo[h]chromen-4-one, 2-Phenyl-4H-naphtho[1,2-b]pyran-4-one, Benzo[h]flavone, alpha-Naphthoflavone, ALPHA-NAPHTHOFLAVONE, α-Naphthylflavone, 2-Phenylbenzo(h)chromen-4-one, 4H-Naphtho[1,2-b]pyran-4-one, 2-phenyl-, MFCD00004985, EINECS 210-071-1

α-Naphthoflavone (CAS 604-59-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H12O2 and a molecular weight of 272.297 g/mol. Key properties include a melting point of 153-157 °C(lit.), a boiling point of 460.9±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 215.8±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
604-59-1
Jingsj CID
J-1994045-2
Molecular Formula
C19H12O2
Molecular Weight
272.297 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point153-157 °C(lit.)
Boiling Point460.9±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point215.8±22.3 °C
Exact Mass272.083740
PSA30.21000
LogP4.79
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.695

Activity & Biological Data

TargetIC50: 0.5 μM (Aromatase)[1] Ki: 0.2 μM (Aromatase)[1]
Additional Information[1]. Campbell DR, et al. Flavonoid inhibition of aromatase enzyme activity in human preadipocytes. J Steroid Biochem Mol Biol. 1993 Sep;46(3):381-8.

Customs & Trade Information

HS Code2914399090
Summary2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of α-Naphthoflavone?

The CAS number of α-Naphthoflavone is 604-59-1.

What are the molecular formula and molecular weight of α-Naphthoflavone?

α-Naphthoflavone has molecular formula C19H12O2 and molecular weight 272.297 g/mol.

What are the upstream and downstream products of α-Naphthoflavone?

For α-Naphthoflavone, Downstream Products: benzoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "α-Naphthoflavone (CAS 604-59-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994045-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.