CAS 5061-21-2

2-Bromo-4-butyrolactone

Description:

2-Bromo-4-butyrolactone, with the CAS number 5061-21-2, is a chemical compound characterized by its cyclic ester structure, specifically a lactone. It features a bromine atom at the second position and a butyrolactone ring, which contributes to its reactivity and potential applications in organic synthesis. This compound is typically a colorless to pale yellow liquid and is soluble in organic solvents, making it useful in various chemical reactions. Its reactivity is influenced by the presence of the bromine atom, which can participate in nucleophilic substitution reactions. 2-Bromo-4-butyrolactone is often utilized as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and other organic compounds. Safety considerations are important when handling this substance, as it may pose health risks if inhaled or ingested, and appropriate protective measures should be taken. Overall, its unique structure and reactivity make it a valuable compound in synthetic organic chemistry.

Formula: C₄H₅BrO₂

InChI: InChI=1/C4H5BrO2/c5-3-1-2-7-4(3)6/h3H,1-2H2/t3-/m0/s1

InChI key: InChIKey=LFJJGHGXHXXDFT-UHFFFAOYSA-N

SMILES: BrC1C(=O)OCC1

Synonyms:

• (3R)-3-bromodihydrofuran-2(3H)-one
• (3S)-3-bromodihydrofuran-2(3H)-one
• 2(3H)-Furanone, 3-bromodihydro-
• 2-Bromo-4-Butanolide
• 2-Bromo-4-butyrolactone
• 2-Bromo-4-hydroxybutyric acid g-lactone
• 2-Bromo-4-hydroxybutyric acid gamma-lactone
• 2-Bromo-gamma-butyrolactone
• 2-Bromo-γ-butyrolactone
• 3-Bromo-2-oxotetrahydrofuran
• 3-Bromo-4,5-dihydro-2(3H)-furanone
• 3-Bromodihydro-2(3H)-furanone
• 3-Bromooxolan-2-one
• 3-Bromotetrahydrofuran-2-one
• 3-bromodihydrofuran-2(3H)-one
• Butyric acid, 2-bromo-4-hydroxy-, γ-lactone
• Butyric acid, α-bromo-γ-hydroxy-, γ-lactone
• NSC 11726
• NSC 56959
• a-Bromo-γ-butyrolatone
• alfa-Bromo-gamma butyrolatone
• Α-Bromo-R-Butyrolactone
• α-Bromo-γ-butyrolactone
• α-Bromobutyric acid γ-lactone
• alpha-Bromobutyric acid, gamma-lactone
• AKOS 23
• 3-bromodihydro-2(3h)-furanon
• A-BROMO-GAMMA-BUTYROLACTONE
• ALPHA-BROMO-GAMMA-BUTYROLACETONE
• BROMO(ALPHA-)-GAMMA-BUTYROLACTONE
• 2-BROMO-4-HYDROXYBUTYRIC ACID LACTONE
• 3-Bromodihydro-2-furanone
• alpha-Bromobutyrolactone
• __bromo-r-butyrolactone
• ALPHA-BROMO-GAMMA-BUTYROLACTONE
• -Bromo-butyrolactone
• 2-Bromobutyrolactone

α-Bromo-γ-butyrolactone

CAS: 5061-21-2

Formula: C₄H₅BrO₂

Purity: >95.0%(GC)

Color and Shape: White - Yellow Liquid

Molecular weight: 164.99

Ref: 3B-B1228

α-Bromo-γ-butyrolactone, 97%

CAS: 5061-21-2

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₄H₅BrO₂

Purity: 97%

Color and Shape: Clear colorless to yellow or pale brown, Liquid

Molecular weight: 164.99

Ref: 02-A17344

2-Bromo-4-butanolide

CAS: 5061-21-2

Formula: C₄H₅BrO₂

Purity: 97%

Color and Shape: Liquid

Molecular weight: 164.9853

Ref: IN-DA003VFQ

3-Bromodihydrofuran-2(3H)-one

CAS: 5061-21-2

3-Bromodihydrofuran-2(3H)-one

Formula: C₄H₅BrO₂

Purity: 98%

Color and Shape: colourless liquid

Molecular weight: 164.99g/mol

Ref: 54-OR5280

2-Bromo-4-butanolide

CAS: 5061-21-2

Formula: C₄H₅BrO₂

Purity: 95%

Color and Shape: Clear

Molecular weight: 164.986

Ref: 10-F077938

α-Bromo-γ-butyrolactone

Controlled Product

CAS: 5061-21-2

Applications Lactams inhibit type Q arylesterase activity of human serum paraoxonase PON1.
References Aldridge, W., et al.: Biochem. J., 53, 110 (1953), Antikainen, M., et al.: J. Clin. Invest., 98, 883 (1996), Aviram, M., et al.: J. Clin. Invest., 101, 1581 (1998), Biggadike, K., et al.: J. Med. Chem., 43, 19 (2000),

Formula: C₄H₅BrO₂

Color and Shape: Neat

Molecular weight: 164.99

Ref: TR-B682070