3-Butyl-2-sulfanylidene-1H-quinazolin-4-one

Also known as: 4(1H)-Quinazolinone, 3-butyl-2,3-dihydro-2-thioxo-, 3-Butyl-2-mercapto-3H-quinazolin-4-one, 3-Butyl-2-mercaptoquinazolin-4(3H)-one, 3-Butyl-2-sulfanyl-3,4-dihydroquinazolin-4-one, 3-Butyl-2,3-dihydro-2-thioxoquinazolin-4(1H)-one, 3-Butyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one, 3-Butyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one, 3-n-Butyl-4-oxoquinazoline-2-thione

3-Butyl-2-sulfanylidene-1H-quinazolin-4-one (CAS 13906-07-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H14N2OS and a molecular weight of 234.31700 g/mol. Key properties include a boiling point of 362.7ºC at 760mmHg, a density of 1.25g/cm3 and a flash point of 173.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13906-07-5
Jingsj CID: J-1324408-1
Molecular Formula: C₁₂H₁₄N₂OS
Molecular Weight: 234.31700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	362.7ºC at 760mmHg
Density	1.25g/cm3
Flash Point	173.1ºC
Exact Mass	234.08300
PSA	73.69000
LogP	2.48530
Vapor Pressure	1.9E-05mmHg at 25°C
Refractive Index	1.642

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Butyl-2-sulfanylidene-1H-quinazolin-4-one?

The CAS number of 3-Butyl-2-sulfanylidene-1H-quinazolin-4-one is 13906-07-5.

What are the molecular formula and molecular weight of 3-Butyl-2-sulfanylidene-1H-quinazolin-4-one?

3-Butyl-2-sulfanylidene-1H-quinazolin-4-one has molecular formula C12H14N2OS and molecular weight 234.31700 g/mol.

What are the upstream and downstream products of 3-Butyl-2-sulfanylidene-1H-quinazolin-4-one?

For 3-Butyl-2-sulfanylidene-1H-quinazolin-4-one, Upstream Products: 2-Nitrobenzamide, Butyl isothiocyanate, Carbon disulphide.

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. "3-Butyl-2-sulfanylidene-1H-quinazolin-4-one (CAS 13906-07-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1324408-1 (accessed 2026-11-09).

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