Tetrabenazine

丁苯那嗪

Also known as: Nitoman, Rubigen, Xenazine, Ro 1-9569, 3-Isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one, 9,10-Dimethoxy-3-(2-methylpropyl)-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one, cis-9,10-Dimethoxy-1,3,4,6,7,11b-hexahydro-3-isobutyl-2H-benzo[a]quinolizin-2-one, Tetrabenazine Racemate, 1,3,4,6,7,11b-Hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-one

Tetrabenazine (CAS 58-46-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H27NO3 and a molecular weight of 317.423 g/mol. It is also known as Nitoman, Rubigen and Xenazine. Key properties include a melting point of 128-130ºC, a boiling point of 448.9±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 225.3±28.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58-46-8
Jingsj CID
J-28127-0
Molecular Formula
C19H27NO3
Chinese Name
丁苯那嗪
Molecular Weight
317.423 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point128-130ºC
Boiling Point448.9±45.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point225.3±28.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tetrabenazine?

The CAS number of Tetrabenazine is 58-46-8.

What are the molecular formula and molecular weight of Tetrabenazine?

Tetrabenazine has molecular formula C19H27NO3 and molecular weight 317.423 g/mol.

Is Tetrabenazine hazardous?

Tetrabenazine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Tetrabenazine (CAS 58-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28127-0 (accessed 2026-10-22).

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