7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one

7-甲氧基-3,4-二氢苯并[f][1,4]硫氮杂卓-5(2H)-酮

Also known as: 3,4-dihydro-7-methoxybenzo[f][1,4]thiazepin-5(2H)-one, 1,4-benzothiazepin-5(2H)-one, 3,4-dihydro-7-methoxy-, 7-methoxy-3,4-dihydro-1,4-benzothiazepin-5(2H)-one

7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one (CAS 145903-32-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H11NO2S and a molecular weight of 209.26500 g/mol. It is also known as 3,4-dihydro-7-methoxybenzo[f][1,4]thiazepin-5(2H)-one, 1,4-benzothiazepin-5(2H)-one, 3,4-dihydro-7-methoxy- and 7-methoxy-3,4-dihydro-1,4-benzothiazepin-5(2H)-one. Key properties include a boiling point of 475.7ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 241.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
145903-32-8
Jingsj CID
J-1071146-0
Molecular Formula
C10H11NO2S
Chinese Name
7-甲氧基-3,4-二氢苯并[f][1,4]硫氮杂卓-5(2H)-酮
Molecular Weight
209.26500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point475.7ºC at 760 mmHg
Density1.23g/cm3
Flash Point241.5ºC

Frequently Asked Questions

What is the CAS number of 7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one?

The CAS number of 7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one is 145903-32-8.

What are the molecular formula and molecular weight of 7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one?

7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one has molecular formula C10H11NO2S and molecular weight 209.26500 g/mol.

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

Last updated:

How to cite: Jingsj. "7-methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one (CAS 145903-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071146-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.