9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one

Also known as: 1-Benzoxepin-5(2H)-one, 3,4-dihydro-9-methoxy-, 3,4-Dihydro-9-methoxy-1-benzoxepin-5(2H)-one, 9-methoxy-2,3,4,5-tetrahydro-1-benzoxepin-5-one, 9-methoxy-3,4-dihydro-2H-1-benzoxepin-5-one

9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one (CAS 127557-08-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12O3 and a molecular weight of 192.21100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 127557-08-8
Jingsj CID: J-1490806-6
Molecular Formula: C₁₁H₁₂O₃
Molecular Weight: 192.21100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	192.07900
PSA	35.53000
LogP	2.05050

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen 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 9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one?

The CAS number of 9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one is 127557-08-8.

What are the molecular formula and molecular weight of 9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one?

9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one has molecular formula C11H12O3 and molecular weight 192.21100 g/mol.

What are the upstream and downstream products of 9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one?

For 9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one, Upstream Products: ethyl 2-hydroxy-3-methoxybenzoate, Guaiacol.

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. "9-Methoxy-3,4-dihydrobenzo[b]oxepin-5(2H)-one (CAS 127557-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1490806-6 (accessed 2026-11-09).

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