Skip to main content

4-Methylisoquinoline

Also known as: Isoquinoline, 4-methyl-

4-Methylisoquinoline (CAS 1196-39-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9N and a molecular weight of 143.185 g/mol. Key properties include a melting point of 45.75°C (estimate), a boiling point of 256.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 116.7±11.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1196-39-0
Jingsj CID
J-1306739-5
Molecular Formula
C10H9N
Molecular Weight
143.185 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point45.75°C (estimate)
Boiling Point256.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point116.7±11.4 °C
Exact Mass143.073502
PSA12.89000
LogP2.42
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.625

Customs & Trade Information

HS Code2933499090
Summary2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 4-Methylisoquinoline?

The CAS number of 4-Methylisoquinoline is 1196-39-0.

What are the molecular formula and molecular weight of 4-Methylisoquinoline?

4-Methylisoquinoline has molecular formula C10H9N and molecular weight 143.185 g/mol.

What are the upstream and downstream products of 4-Methylisoquinoline?

For 4-Methylisoquinoline, Upstream Products: 4-Isoquinolineboronic acid pinacol ester, iodomethane, 4-Bromoisoquinoline; Downstream Products: 4-Methyl-1,2,3,4-tetrahydroisoquinoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Methylisoquinoline (CAS 1196-39-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306739-5 (accessed 2026-11-09).

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