5H-Pyrido[4,3-b]indole

Also known as: gamma-Carboline, 3-Azacarbazole, g-Carboline, NSC 160470, pyrido[4,3-b]indole

5H-Pyrido[4,3-b]indole (CAS 244-69-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2 and a molecular weight of 168.19500 g/mol. Key properties include a melting point of 231-235°C, a boiling point of 391.3ºC at 760mmHg, a density of 1.301g/cm3 and a flash point of 182.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 244-69-9
Jingsj CID: J-1155930-1
Molecular Formula: C₁₁H₈N₂
Molecular Weight: 168.19500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	231-235°C
Boiling Point	391.3ºC at 760mmHg
Density	1.301g/cm3
Flash Point	182.1ºC
Exact Mass	168.06900
PSA	28.68000
LogP	2.71610
Vapor Pressure	5.62E-06mmHg at 25°C
Refractive Index	1.784

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 5H-Pyrido[4,3-b]indole?

The CAS number of 5H-Pyrido[4,3-b]indole is 244-69-9.

What are the molecular formula and molecular weight of 5H-Pyrido[4,3-b]indole?

5H-Pyrido[4,3-b]indole has molecular formula C11H8N2 and molecular weight 168.19500 g/mol.

What are the upstream and downstream products of 5H-Pyrido[4,3-b]indole?

For 5H-Pyrido[4,3-b]indole, Upstream Products: N-(2-bromophenyl)pyridin-4-amine, 1-Bromo-2-iodobenzene, 4-Fluoropyridine; Downstream Products: 2,3,4,5-Tetrahydro-1H-pyrido[4,3-b]indole, 5-Methyl-5H-pyrido[4,3-b]indole, 2-Methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole.

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. "5H-Pyrido[4,3-b]indole (CAS 244-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1155930-1 (accessed 2026-11-09).

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