6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride

Also known as: 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride hydrate, 3,4-Dihydro-6,7-dimethoxyisoquinoline hydrochloride, 6,7-Dimethoxy-3,4-dihydroisoquinolinium chloride, Tetrabenazine Impurity 2, Tetrabenazine Impurity 5, 6,7-Dimethoxy-3,4-dihydro-isoquinoline hydrochloride, 6,7-Dimethoxy-3,4-dihydroisochinolin hydrochloride, BB_NC-1918, MFCD00143492

6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride (CAS 20232-39-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H14ClNO2 and a molecular weight of 227.687 g/mol. Key properties include a melting point of 198-202 °C, a boiling point of 322.9ºC at 760 mmHg and a flash point of 122ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20232-39-7
Jingsj CID: J-15500-0
Molecular Formula: C₁₁H₁₄ClNO₂
Molecular Weight: 227.687 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	198-202 °C
Boiling Point	322.9ºC at 760 mmHg
Flash Point	122ºC
Exact Mass	227.071304
PSA	30.82000
LogP	1.91640
Vapor Pressure	0.000513mmHg at 25°C
Refractive Index	1.548

Customs & Trade Information

HS Code	2933499090
Summary	2933499090. 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 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride?

The CAS number of 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride is 20232-39-7.

What are the molecular formula and molecular weight of 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride?

6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride has molecular formula C11H14ClNO2 and molecular weight 227.687 g/mol.

What are the upstream and downstream products of 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride?

For 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride, Upstream Products: Formic Acid, 3,4-Dimethoxyphenethylamine; Downstream Products: 6,7-Dimethoxy-3,4-dihydroisoquinoline.

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-dihydroisoquinoline hydrochloride (CAS 20232-39-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15500-0 (accessed 2026-11-09).

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