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6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride

6,7-二甲氧基-3-甲基-1,2,3,4-四氢异喹啉盐酸盐

Also known as: Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-3-methyl-, hydrochloride (1:1), 1,2,3,4-tetrahydro-6,7-dimethoxy-3-methylisoquinoline hydrochloride, 6,7-DIMETHOXY-3-METHYL-1,2,3,4-TETRAHYDROISOQUINOLINE HYDROCHLORIDE, MFCD00800511

6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 6266-97-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H18ClNO2 and a molecular weight of 243.73000 g/mol. It is also known as Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-3-methyl-, hydrochloride (1:1), 1,2,3,4-tetrahydro-6,7-dimethoxy-3-methylisoquinoline hydrochloride and 6,7-DIMETHOXY-3-METHYL-1,2,3,4-TETRAHYDROISOQUINOLINE HYDROCHLORIDE. Key properties include a melting point of 250-252ºC, a boiling point of 321.2ºC at 760 mmHg and a flash point of 129.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6266-97-3
Jingsj CID
J-49505-3
Molecular Formula
C12H18ClNO2
Chinese Name
6,7-二甲氧基-3-甲基-1,2,3,4-四氢异喹啉盐酸盐
Molecular Weight
243.73000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point250-252ºC
Boiling Point321.2ºC at 760 mmHg
Flash Point129.9ºC
Exact Mass243.10300
PSA30.49000
LogP2.86880

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 6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride?

The CAS number of 6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride is 6266-97-3.

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

6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride has molecular formula C12H18ClNO2 and molecular weight 243.73000 g/mol.

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

Last updated:

How to cite: Jingsj. "6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 6266-97-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49505-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.