2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

Also known as: 1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole-3-carboxylic acid, 1,2,3,4-Tetrahydro-beta-carboline-3-carboxylic acid, 1,2,3,4-Tetrahydro-norharman-3-carboxylic acid, 1H,2H,3H,4H,9H-pyrido[3,4-b]indole-3-carboxylic acid

2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 6052-68-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O2 and a molecular weight of 216.23600 g/mol. Key properties include a melting point of 289ºC (dec.)(lit.), a boiling point of 485ºC at 760 mmHg, a density of 1.377g/cm3 and a flash point of 247.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6052-68-2
Jingsj CID: J-22820-6
Molecular Formula: C₁₂H₁₂N₂O₂
Molecular Weight: 216.23600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	289ºC (dec.)(lit.)
Boiling Point	485ºC at 760 mmHg
Density	1.377g/cm3
Flash Point	247.1ºC
Exact Mass	216.09000
PSA	65.12000
LogP	1.59560
Refractive Index	1.692

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?

The CAS number of 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid is 6052-68-2.

What are the molecular formula and molecular weight of 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?

2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid has molecular formula C12H12N2O2 and molecular weight 216.23600 g/mol.

What are the upstream and downstream products of 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid?

For 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, Downstream Products: Ethyl β-carboline-3-carboxylate, Norharmane, propyl beta-carboline-3-carboxylate.

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. "2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 6052-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22820-6 (accessed 2026-11-09).

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