3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one
3,4-二氢-9-羟基-[1]苯并噻吩并[2,3-F]-1,4-硫氮杂卓-5(2H)-酮
Also known as: kb-NB142-70, KB NB 142-70, 9-Hydroxy-3,4-dihydro[1]benzothieno[2,3-f][1,4]thiazepin-5(2H)-one, 9-Hydroxy-3,4-dihydrobenzo[4,5]thieno[2,3-f][1,4]thiazepin-5(2H)-one, 4-Hydroxy-8,14-dithia-11-azatricyclo[7.5.0.0^{2,7}]tetradeca-1(9),2,4,6-tetraen-10-one, CS-2453
3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one (CAS 1233533-04-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2S2 and a molecular weight of 251.325 g/mol. It is also known as kb-NB142-70, KB NB 142-70 and 9-Hydroxy-3,4-dihydro[1]benzothieno[2,3-f][1,4]thiazepin-5(2H)-one. Key properties include a boiling point of 601.9±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 317.8±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1233533-04-4
- Jingsj CID
- J-1982594-8
- Molecular Formula
- C11H9NO2S2
- Chinese Name
- 3,4-二氢-9-羟基-[1]苯并噻吩并[2,3-F]-1,4-硫氮杂卓-5(2H)-酮
- Molecular Weight
- 251.325 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 601.9±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 317.8±31.5 °C |
Frequently Asked Questions
What is the CAS number of 3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one?
The CAS number of 3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one is 1233533-04-4.
What are the molecular formula and molecular weight of 3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one?
3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one has molecular formula C11H9NO2S2 and molecular weight 251.325 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dihydro-9-hydroxy-[1]benzothieno[2,3-f]-1,4-thiazepin-5(2H)-one (CAS 1233533-04-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1982594-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.