7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one

Also known as: 2H-3-Benzazepin-2-one, 1,3,4,5-tetrahydro-7,8-dimethoxy-, 1,3,4,5-Tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one, 7,8-Dimethoxy-1,3,4,5-tetrahydrobenzo[d]azepin-2-one, 7,8-Dimethoxy-2-oxo-2,3,4,5-tetrahydro-1H-3-benzazepine, 7,8-dimethoxy-1,2,3,5-tetrahydro-3-benzazepin-4-one

7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one (CAS 20925-64-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H15NO3 and a molecular weight of 221.252 g/mol. Key properties include a boiling point of 438.2±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 218.8±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20925-64-8
Jingsj CID: J-1518045-7
Molecular Formula: C₁₂H₁₅NO₃
Molecular Weight: 221.252 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	438.2±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	218.8±28.7 °C
Exact Mass	221.105194
PSA	47.56000
LogP	0.30
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.528

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 7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one?

The CAS number of 7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one is 20925-64-8.

What are the molecular formula and molecular weight of 7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one?

7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one has molecular formula C12H15NO3 and molecular weight 221.252 g/mol.

What are the upstream and downstream products of 7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one?

For 7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one, Upstream Products: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one, 6,7-Dimethoxy-2-tetralone, 6,7-Dimethoxy-3,4-dihydroisoquinoline; Downstream Products: Ivabradine, Ivabradine hydrochloride, 3-(3-chloropropyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one.

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. "7,8-Dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one (CAS 20925-64-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518045-7 (accessed 2026-11-09).

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