2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid

1,2,3,4-四氢异喹啉-1-乙酸

Also known as: (1,2,3,4-tetrahydro-isoquinolin-1-yl)-acetic acid, (1,2,3,4-tetrahydro-isoquinoline-1-yl)acetic acid, 1,2,3,4-tetrahydroisoquinoline-1-acetic acid, 1,2,3,4-tetrahydroisoquinolin-1-ylacetic acid, 1-isoquinolineacetic acid, 1,2,3,4-tetrahydro-, 1,2,3,4-Tetrahydroisochinolinium-essigsaeure, MFCD00215024

2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid (CAS 105400-81-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO2 and a molecular weight of 191.22600 g/mol. It is also known as (1,2,3,4-tetrahydro-isoquinolin-1-yl)-acetic acid, (1,2,3,4-tetrahydro-isoquinoline-1-yl)acetic acid and 1,2,3,4-tetrahydroisoquinoline-1-acetic acid. Key properties include a melting point of 248-251 °C, a boiling point of 386.8ºC at 760mmHg, a density of 1.162g/cm3 and a flash point of 187.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
105400-81-5
Jingsj CID
J-45268-5
Molecular Formula
C11H13NO2
Chinese Name
1,2,3,4-四氢异喹啉-1-乙酸
Molecular Weight
191.22600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point248-251 °C
Boiling Point386.8ºC at 760mmHg
Density1.162g/cm3
Flash Point187.7ºC
Exact Mass191.09500
PSA49.33000
LogP1.67690
Vapor Pressure1.12E-06mmHg at 25°C
Refractive Index1.553

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 2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid?

The CAS number of 2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid is 105400-81-5.

What are the molecular formula and molecular weight of 2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid?

2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid has molecular formula C11H13NO2 and molecular weight 191.22600 g/mol.

What are the upstream and downstream products of 2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid?

For 2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid, Upstream Products: 3,4-Dihydroisoquinoline, Malonic acid, 1,2,3,4-Tetrahydroisoquinoline; Downstream Products: 2a,3,4,5-Tetrahydro-1H-3-azaacenaphthylen-1-one.

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

Last updated:

How to cite: Jingsj. "2-(1,2,3,4-tetrahydro-1-isoquinolinyl)acetic acid (CAS 105400-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45268-5 (accessed 2026-10-28).

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