Bretazenil

Also known as: Ro 16-6028, UNII-OSZ0E9DGOJ, Bretazenilum, 9H-Imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylic acid, 8-bromo-11,12,13,13a-tetrahydro-9-oxo-, 1,1-dimethylethyl ester, (13aS)-, tert-Butyl (13aS)-8-bromo-9-oxo-11,12,13,13a-tetrahydro-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate, tert-Butyl (S)-8-bromo-11,12,13,13a-tetrahydro-9-oxo-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate

Bretazenil (CAS 84379-13-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H20BrN3O3 and a molecular weight of 418.284 g/mol. Key properties include a boiling point of 594.3±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 313.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84379-13-5
Jingsj CID: J-1310251-7
Molecular Formula: C₁₉H₂₀BrN₃O₃
Molecular Weight: 418.284 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	594.3±50.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	313.2±30.1 °C
Exact Mass	417.068787
PSA	64.43000
LogP	2.52
Appearance	solid \| white
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.685
Storage Conditions	2-8°C
Additional Property	DMSO: 24 mg/mL, soluble

Frequently Asked Questions

What is the CAS number of Bretazenil?

The CAS number of Bretazenil is 84379-13-5.

What are the molecular formula and molecular weight of Bretazenil?

Bretazenil has molecular formula C19H20BrN3O3 and molecular weight 418.284 g/mol.

What are the upstream and downstream products of Bretazenil?

For Bretazenil, Upstream Products: tert-Butyl isocyanoacetate.

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. "Bretazenil (CAS 84379-13-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310251-7 (accessed 2026-11-09).

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