3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one

Also known as: 1,2,4,5-Tetrahydro-3-methyl-3H-3-benzazepin-2-one, 3-Methyl-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one, 3-Methyl-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one, 3-Methyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[d]azepine

3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one (CAS 73644-95-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.22700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 73644-95-8
Jingsj CID: J-1491942-7
Molecular Formula: C₁₁H₁₃NO
Molecular Weight: 175.22700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	175.10000
PSA	20.31000
LogP	1.18150

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 3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one?

The CAS number of 3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one is 73644-95-8.

What are the molecular formula and molecular weight of 3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one?

3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one has molecular formula C11H13NO and molecular weight 175.22700 g/mol.

What are the upstream and downstream products of 3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one?

For 3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one, Upstream Products: 2-chloro-N-methyl-N-(2-phenylethyl)acetamide, 4,5-Dihydro-1H-benzo[d]azepin-2(3H)-one, iodomethane; Downstream Products: (S)-1-Amino-3-methyl-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one hydrochloride, 1-amino-3-methyl-4,5-dihydro-1H-benzo[d]azepin-2(3H)-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. "3-Methyl-1,3,4,5-tetrahydrobenzo[d]azepin-2-one (CAS 73644-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1491942-7 (accessed 2026-11-09).

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