N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide

N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide (CAS 921789-83-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H20N2O3S and a molecular weight of 344.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 921789-83-5
Jingsj CID: J-1478743-4
Molecular Formula: C₁₈H₂₀N₂O₃S
Molecular Weight: 344.4 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide?

The CAS number of N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide is 921789-83-5.

What are the molecular formula and molecular weight of N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide?

N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide has molecular formula C18H20N2O3S and molecular weight 344.4 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide (CAS 921789-83-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1478743-4 (accessed 2026-10-25).

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