3,4-dihydro-1,4-benzothiazepin-5(2H)-one

Also known as: 3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one, 2,3,4,5-tetrahydro-1,4-benzothiazepin-5-one, 3,4-dihydro-2H-1,4-benzothiazepin-5-one, 1,4-benzothiazepin-5(2H)-one, 3,4-dihydro-, qc-8963

3,4-dihydro-1,4-benzothiazepin-5(2H)-one (CAS 14944-00-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9NOS and a molecular weight of 179.23900 g/mol. Key properties include a boiling point of 420.656ºC at 760 mmHg, a density of 1.228 g/cm3 and a flash point of 208.206ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14944-00-4
Jingsj CID: J-1357531-0
Molecular Formula: C₉H₉NOS
Molecular Weight: 179.23900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	420.656ºC at 760 mmHg
Density	1.228 g/cm3
Flash Point	208.206ºC
Exact Mass	179.04000
PSA	57.89000
LogP	1.53250

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 3,4-dihydro-1,4-benzothiazepin-5(2H)-one?

The CAS number of 3,4-dihydro-1,4-benzothiazepin-5(2H)-one is 14944-00-4.

What are the molecular formula and molecular weight of 3,4-dihydro-1,4-benzothiazepin-5(2H)-one?

3,4-dihydro-1,4-benzothiazepin-5(2H)-one has molecular formula C9H9NOS and molecular weight 179.23900 g/mol.

What are the upstream and downstream products of 3,4-dihydro-1,4-benzothiazepin-5(2H)-one?

For 3,4-dihydro-1,4-benzothiazepin-5(2H)-one, Upstream Products: 2-Chloroethylamine hydrochloride, Methyl thiosalicylate, 2-Oxazolidinone.

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. "3,4-dihydro-1,4-benzothiazepin-5(2H)-one (CAS 14944-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357531-0 (accessed 2026-11-09).

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