6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one

Also known as: 6,7-DIMETHOXY-3,4-DIHYDRO-2H-ISOQUINOLIN-1-ONE, 3,4-Dihydro-6,7-dimethoxy-1(2H)-isoquinolinone, 3,4-Dihydro-6,7-dimethoxyisoquinolin-1(2H)-one, 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline-1-one, 6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline, 6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinolin-1-one, 6,7-dimethoxy-3,4-dihydro-2h-isoquinolin-1-one, Corydaldin, Corydaldine, AKOS 233-63

6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 493-49-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO3 and a molecular weight of 207.22600 g/mol. Key properties include a boiling point of 468.8ºC at 760mmHg, a density of 1.172g/cm3 and a flash point of 237.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 493-49-2
Jingsj CID: J-1471099-7
Molecular Formula: C₁₁H₁₃NO₃
Molecular Weight: 207.22600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	468.8ºC at 760mmHg
Density	1.172g/cm3
Flash Point	237.3ºC
Exact Mass	207.09000
PSA	47.56000
LogP	1.31850
Vapor Pressure	5.83E-09mmHg at 25°C
Refractive Index	1.537

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 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one?

The CAS number of 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one is 493-49-2.

What are the molecular formula and molecular weight of 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one?

6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one has molecular formula C11H13NO3 and molecular weight 207.22600 g/mol.

What are the upstream and downstream products of 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one?

For 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one, Upstream Products: 5,6-Dimethoxy-1-indanone, 3,4-Dimethoxyphenethylamine, 4-Nitrophenyl chloroformate; Downstream Products: 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-1-thione, 1-Chloro-6,7-dimethoxyisoquinoline.

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. "6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 493-49-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1471099-7 (accessed 2026-11-09).

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