6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride

Also known as: Isoquinoline, 6,7-diethoxy-1,2,3,4-tetrahydro-, hydrochloride (1:1), 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinolinium chloride, 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride (1:1)

6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 63905-65-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H20ClNO2 and a molecular weight of 257.75600 g/mol. Key properties include a melting point of 275-277ºC, a boiling point of 343.7ºC at 760mmHg and a flash point of 140.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63905-65-7
Jingsj CID: J-22627-7
Molecular Formula: C₁₃H₂₀ClNO₂
Molecular Weight: 257.75600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	275-277ºC
Boiling Point	343.7ºC at 760mmHg
Flash Point	140.7ºC
Exact Mass	257.11800
PSA	30.49000
LogP	3.26050

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-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride?

The CAS number of 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride is 63905-65-7.

What are the molecular formula and molecular weight of 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride?

6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride has molecular formula C13H20ClNO2 and molecular weight 257.75600 g/mol.

What are the upstream and downstream products of 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride?

For 6,7-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, Upstream Products: Formaldehyde, 3,4-Diethoxyphenethylamine.

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-Diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 63905-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22627-7 (accessed 2026-11-09).

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