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9H-pyrido[2,3-b]indole

Also known as: alpha-carboline, 1-azacarbazole, 1,9-diazafluorene, 1H-pyrido[2,3-b]indole, NSC 67064

9H-pyrido[2,3-b]indole (CAS 244-76-8) 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 168.195 g/mol. Key properties include a melting point of 219-220 ºC, a boiling point of 373 ºC, a density of 1.301 and a flash point of 172 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
244-76-8
Jingsj CID
J-1013671-7
Molecular Formula
C11H8N2
Molecular Weight
168.195 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point219-220 ºC
Boiling Point373 ºC
Density1.301
Flash Point172 ºC
Exact Mass168.068741
PSA28.68000
LogP3.40
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.785

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 9H-pyrido[2,3-b]indole?

The CAS number of 9H-pyrido[2,3-b]indole is 244-76-8.

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

9H-pyrido[2,3-b]indole has molecular formula C11H8N2 and molecular weight 168.195 g/mol.

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

For 9H-pyrido[2,3-b]indole, Upstream Products: 2,3-Dichloropyridine, Tricyclohexylphosphine, 2,3-Dibromopyridine.

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

Last updated:

How to cite: Jingsj. "9H-pyrido[2,3-b]indole (CAS 244-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1013671-7 (accessed 2026-11-09).

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