Dehydro-α-lapachone

Also known as: Dehydro-alpha-lapachone, Xyloidone, 2,2-Dimethyl-2H-naphtho[2,3-b]pyran-5,10-dione, 2,2-Dimethylbenzo[g]chromene-5,10-dione, NSC 106453, NSC 629748, LDN 22684

Dehydro-α-lapachone (CAS 15297-92-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12O3 and a molecular weight of 240.25 g/mol. Key properties include a melting point of 145 °C, a boiling point of 395.2±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 177.0±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 15297-92-4
Jingsj CID: J-1955358-3
Molecular Formula: C₁₅H₁₂O₃
Molecular Weight: 240.25 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	145 °C
Boiling Point	395.2±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	177.0±27.9 °C
Exact Mass	240.078644
PSA	43.37000
LogP	3.14
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.620

Activity & Biological Data

Additional Information	[1]. Jun Young Cho, et al. Dehydro-α-lapachone isolated from Catalpa ovata stems: activity against plant pathogenic fungi. Pest Management Science. 2006, 62.

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. 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 Dehydro-α-lapachone?

The CAS number of Dehydro-α-lapachone is 15297-92-4.

What are the molecular formula and molecular weight of Dehydro-α-lapachone?

Dehydro-α-lapachone has molecular formula C15H12O3 and molecular weight 240.25 g/mol.

What are the upstream and downstream products of Dehydro-α-lapachone?

For Dehydro-α-lapachone, Upstream Products: 2-Hydroxy-1,4-naphthoquinone, 3-Methyl-2-butenal, Lapachol; Downstream Products: alpha-Lapachone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Dehydro-α-lapachone (CAS 15297-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955358-3 (accessed 2026-11-09).

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