4-Oxo-L-proline hydrobromide

4-氧-L-脯氨酸氢溴酸盐

Also known as: 4-keto-L-proline hydrobromide, (S)-4-Oxopyrrolidine-2-carboxylic acid hydrobromide, (2S)-4-oxopyrrolidine-2-carboxylic acid hydrobromide, 4-oxo-L-proline hydrobromide, 4-oxopyrrolidine-2-carboxylic acid hydrobromide

4-Oxo-L-proline hydrobromide (CAS 75776-67-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8BrNO3 and a molecular weight of 210.02600 g/mol. It is also known as 4-keto-L-proline hydrobromide, (S)-4-Oxopyrrolidine-2-carboxylic acid hydrobromide and (2S)-4-oxopyrrolidine-2-carboxylic acid hydrobromide. Key properties include a melting point of 154-156ºC, a boiling point of 341.8ºC at 760mmHg, a density of 1.38g/cm3 and a flash point of 160.5ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75776-67-9
Jingsj CID
J-1321436-0
Molecular Formula
C5H8BrNO3
Chinese Name
4-氧-L-脯氨酸氢溴酸盐
Molecular Weight
210.02600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point154-156ºC
Boiling Point341.8ºC at 760mmHg
Density1.38g/cm3
Flash Point160.5ºC

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Oxo-L-proline hydrobromide?

The CAS number of 4-Oxo-L-proline hydrobromide is 75776-67-9.

What are the molecular formula and molecular weight of 4-Oxo-L-proline hydrobromide?

4-Oxo-L-proline hydrobromide has molecular formula C5H8BrNO3 and molecular weight 210.02600 g/mol.

Is 4-Oxo-L-proline hydrobromide hazardous?

4-Oxo-L-proline hydrobromide has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-Oxo-L-proline hydrobromide (CAS 75776-67-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1321436-0 (accessed 2026-10-25).

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