CAS 1679-49-8: β-Methyl-γ-butyrolactone
Description:β-Methyl-γ-butyrolactone, also known as 4-methyl-2-pyrrolidinone, is a cyclic ester with the molecular formula C5H8O2. It is characterized by its colorless to pale yellow liquid form and has a slightly sweet odor. This compound is soluble in water and organic solvents, making it versatile in various applications. It exhibits a moderate boiling point and a relatively low vapor pressure, indicating its stability under standard conditions. β-Methyl-γ-butyrolactone is primarily used as a solvent in chemical processes, particularly in the synthesis of pharmaceuticals and agrochemicals. Additionally, it serves as an intermediate in the production of other chemical compounds. The substance is known for its ability to dissolve a wide range of polar and non-polar substances, which enhances its utility in industrial applications. Safety data indicates that it should be handled with care, as it may cause irritation upon contact with skin or eyes. Overall, β-Methyl-γ-butyrolactone is a valuable chemical with significant industrial relevance.
Formula:C5H8O2
InChI:InChI=1S/C5H8O2/c1-4-2-5(6)7-3-4/h4H,2-3H2,1H3
InChI key:InChIKey=ALZLTHLQMAFAPA-UHFFFAOYSA-N
SMILES:O=C1OCC(C)C1
- Synonyms:
- 2(3H)-Furanone, dihydro-4-methyl-
- 3-Methyl-γ-butyrolactone
- 3-Methylbutyrolactone
- 4-Hydroxy-3-methylbutyric acid γ-lactone
- 4-Methyldihydro-2(3H)-furanone
- 4-Methyldihydrofuran-2-one
- 4-Methyltetrahydrofuran-2-one
- 4-methyldihydrofuran-2(3H)-one
- Butyric acid, 4-hydroxy-3-methyl-, γ-lactone
- NSC 134770
- See more synonyms
- Tetrahydro-4-methyl-2-furanone
- β-Methyl-γ-butyrolactone
- γ-Isopentyllactone
- γ-Isovalerolactone
- Dihydro-4-methyl-2(3H)-furanone
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Dihydro-4-methyl-2(3H)-furanone REF: TR-I779283CAS: 1679-49-8 | - - - | 123.00 €~508.00 € | Mon 19 May 25 |
![]() | 4-Methyldihydrofuran-2(3H)-one REF: 10-F770763CAS: 1679-49-8 | 98% | - - - | Discontinued product |
![]() | Dihydro-4-methyl 2(3H)-furanone REF: 3D-BAA67949CAS: 1679-49-8 | Min. 95% | - - - | Discontinued product |

Dihydro-4-methyl-2(3H)-furanone
Controlled ProductRef: TR-I779283
10mg | 123.00 € |

4-Methyldihydrofuran-2(3H)-one
- Cyclic Compounds
- Esters
- 5-membered Heterocycles
- Furan
- See more categories
- Tetrahydrofuran
Ref: 10-F770763
1g | Discontinued | Request information |

Dihydro-4-methyl 2(3H)-furanone
Ref: 3D-BAA67949
50mg | Discontinued | Request information | |
500mg | Discontinued | Request information |