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(4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole

(4aR,9bS)-2,8-二甲基-2,3,4,4a,5,9b-六氢-1H-吡啶并[4,3-b]吲哚

Also known as: Dicarbine (ambiguous, usually refers to racemate CAS 17411-19-7), (4aR,9bS)-2,3,4,4a,5,9b-Hexahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole, 2,8-Dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole (4aR,9bS), UNII:Y0EA50IJ3V

(4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole (CAS 251646-41-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H18N2 and a molecular weight of 202.295 g/mol. It is also known as Dicarbine (ambiguous, usually refers to racemate CAS 17411-19-7), (4aR,9bS)-2,3,4,4a,5,9b-Hexahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole and 2,8-Dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole (4aR,9bS). Key properties include a boiling point of 305.7±42.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 128.8±18.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
251646-41-0
Jingsj CID
J-1039794-3
Molecular Formula
C13H18N2
Chinese Name
(4aR,9bS)-2,8-二甲基-2,3,4,4a,5,9b-六氢-1H-吡啶并[4,3-b]吲哚
Molecular Weight
202.295 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.7±42.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point128.8±18.9 °C

Frequently Asked Questions

What is the CAS number of (4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole?

The CAS number of (4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole is 251646-41-0.

What are the molecular formula and molecular weight of (4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole?

(4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole has molecular formula C13H18N2 and molecular weight 202.295 g/mol.

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

Last updated:

How to cite: Jingsj. "(4aR,9bS)-2,8-dimethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole (CAS 251646-41-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1039794-3 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.