5-Methoxy-3,4-dihydroquinolin-2(1H)-one

Also known as: 3,4-dihydro-5-methoxycarbostyril, 5-methoxy-3,4-dihydro-1H-quinolin-2-one, 5-methoxy-3,4-dihydrocarbostyril

5-Methoxy-3,4-dihydroquinolin-2(1H)-one (CAS 30557-06-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11NO2 and a molecular weight of 177.20000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 30557-06-3
Jingsj CID: J-1484868-1
Molecular Formula: C₁₀H₁₁NO₂
Molecular Weight: 177.20000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	177.07900
PSA	41.82000
LogP	1.66500

Customs & Trade Information

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Methoxy-3,4-dihydroquinolin-2(1H)-one?

The CAS number of 5-Methoxy-3,4-dihydroquinolin-2(1H)-one is 30557-06-3.

What are the molecular formula and molecular weight of 5-Methoxy-3,4-dihydroquinolin-2(1H)-one?

5-Methoxy-3,4-dihydroquinolin-2(1H)-one has molecular formula C10H11NO2 and molecular weight 177.20000 g/mol.

What are the upstream and downstream products of 5-Methoxy-3,4-dihydroquinolin-2(1H)-one?

For 5-Methoxy-3,4-dihydroquinolin-2(1H)-one, Upstream Products: m-Anisidine, N-(2-Formyl-3-methoxyphenyl)-2,2-dimethylpropanamide; Downstream Products: 5-Hydroxy-3,4-dihydroquinolin-2(1H)-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. "5-Methoxy-3,4-dihydroquinolin-2(1H)-one (CAS 30557-06-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1484868-1 (accessed 2026-11-09).

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