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

Also known as: AαC, AAC, 2-Amino-α-carboline, amino-α-carboline, 9H-Pyrido[2,3-b]indol-2-amine, 1H-Pyrido[2,3-b]indol-2-amine, 2-Amino-9H-pyrido(2,3-b)indole, Glob-P-2, AAlphaC, 2-Amino-alpha-carboline, 1,9-Dihydro-2H-pyrido[2,3-b]indol-2-imine, MFCD00210750, HSDB 7086

2-Amino-9H-pyrido[2,3-b]indole (CAS 26148-68-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9N3 and a molecular weight of 183.209 g/mol. Key properties include a melting point of 194-196, a boiling point of 440.9±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 250.7±10.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26148-68-5
Jingsj CID: J-25352-7
Molecular Formula: C₁₁H₉N₃
Molecular Weight: 183.209 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	194-196
Boiling Point	440.9±25.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	250.7±10.4 °C
Exact Mass	183.079651
PSA	54.70000
LogP	3.05
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.849

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

The CAS number of 2-Amino-9H-pyrido[2,3-b]indole is 26148-68-5.

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

2-Amino-9H-pyrido[2,3-b]indole has molecular formula C11H9N3 and molecular weight 183.209 g/mol.

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-Amino-9H-pyrido[2,3-b]indole (CAS 26148-68-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25352-7 (accessed 2026-11-06).

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