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3-Amino-9H-pyrido[3,4-b]indole

Also known as: 9H-Pyrido[3,4-b]indol-3-amine, 3-Amino-beta-carboline, 3-aminonorharman, beta-Carbolin-3-amine, 3-Amino-9H-pyrido[3,4-b]indole

3-Amino-9H-pyrido[3,4-b]indole (CAS 73834-77-2) 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 291 °C, a boiling point of 468.7±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 268.4±10.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
73834-77-2
Jingsj CID
J-1088153-5
Molecular Formula
C11H9N3
Molecular Weight
183.209 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point291 °C
Boiling Point468.7±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point268.4±10.4 °C
Exact Mass183.079651
PSA55.43000
LogP2.69
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.849

Frequently Asked Questions

What is the CAS number of 3-Amino-9H-pyrido[3,4-b]indole?

The CAS number of 3-Amino-9H-pyrido[3,4-b]indole is 73834-77-2.

What are the molecular formula and molecular weight of 3-Amino-9H-pyrido[3,4-b]indole?

3-Amino-9H-pyrido[3,4-b]indole has molecular formula C11H9N3 and molecular weight 183.209 g/mol.

What are the upstream and downstream products of 3-Amino-9H-pyrido[3,4-b]indole?

For 3-Amino-9H-pyrido[3,4-b]indole, Upstream Products: Ethyl β-carboline-3-carboxylate, Methyl β-carboline-3-carboxylate, 2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid; Downstream Products: 2-Thiophenecarboxamide.

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

Last updated:

How to cite: Jingsj. "3-Amino-9H-pyrido[3,4-b]indole (CAS 73834-77-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088153-5 (accessed 2026-11-09).

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