Synonyms: Methyl isobutyrylacetate; METHYL ISOBUTYLOYLACETATE; METHYL 4-METHYL-3-OXOPENTANOATE; METHYL 4-METHYL-3-OXOVALERATE; IBEM; ISOBUTYLACETIC ACID METHYL ESTER; ISO-BUTYRYL METHYL ACETATE; 4-methyl-3-oxo-pentanoic acid methyl ester; Pentanoic acid, 4-methyl-3-oxo-, methyl ester; Methyl isobutylacetate; 2-methylpropanoic propanoic anhydride; Methyl 3-oxo-4-methyl pentanoate

CAS No.：42558-54-3

EINECS No：418-900-0

Molecular Formula：C7H12O3

Molecular Weight：144.1684

Density：1.013 g/mL at 20 °C(lit.) 

Purity:：≥ 98%

Appearance：colorless to light yellow liquid

Packing： 250kg/drum

Usage:

Used as Pharmaceutical synthesis intermediates , mainly used as Lipid- lowering drug Atorvastatin intermediate .