3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone

Also known as: 3-benzyl-2-mercapto-3H-quinazolin-4-one, 3-benzyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one, 3-benzyl-2-sulfanylidene-1H-quinazolin-4-one, 3-(phenylmethyl)-2-thioxo-1H-quinazolin-4-one, 3-benzyl-2,3-dihydro-2-thioxoquinazolin-4(1H)-one, 4(1H)-Quinazolinone, 2,3-dihydro-3-(phenylmethyl)-2-thioxo-

3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone (CAS 13906-05-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12N2OS and a molecular weight of 268.33400 g/mol. Key properties include a melting point of >250ºC, a boiling point of 441.6ºC at 760mmHg, a density of 1.36g/cm3 and a flash point of 220.9ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 13906-05-3
Jingsj CID: J-1439347-6
Molecular Formula: C₁₅H₁₂N₂OS
Molecular Weight: 268.33400 g/mol
Category: Ketones
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	>250ºC
Boiling Point	441.6ºC at 760mmHg
Density	1.36g/cm3
Flash Point	220.9ºC
Exact Mass	268.06700
PSA	69.88000
LogP	3.10740
Vapor Pressure	5.37E-08mmHg at 25°C
Refractive Index	1.724

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-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone?

The CAS number of 3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone is 13906-05-3.

What are the molecular formula and molecular weight of 3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone?

3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone has molecular formula C15H12N2OS and molecular weight 268.33400 g/mol.

What are the upstream and downstream products of 3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone?

For 3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone, Upstream Products: Methyl 2-isothiocyanatobenzoate, Benzylamine, Ethyl 2-nitrobenzoate.

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

Last updated: 11/3/2026

How to cite: Jingsj. "3-Benzyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone (CAS 13906-05-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439347-6 (accessed 2026-11-09).

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