270121

Methyl (S)-(+)-3-hydroxy-2-methylpropionate

97%

• Synonym(s): (+)-Methyl L-β-hydroxyisobutyrate, (S)-(+)-3-Hydroxy-2-methylpropionic acid methyl ester
• Linear Formula: HOCH₂CH(CH₃)CO₂CH₃
• CAS Number: 80657-57-4
• Molecular Weight: 118.13
• Beilstein: 1720830
• MDL number: MFCD00064520
• UNSPSC Code: 12352108
• PubChem Substance ID: 24856356
• NACRES: NA.22

Properties

• Quality Level: 200
• Assay: 97%
• form: liquid
• optical activity: [α]19/D +26°, c = 4 in methanol
• optical purity: ee: 99% (GLC)
• refractive index: n20/D 1.425 (lit.)
• bp: 74 °C/10 mmHg (lit.)
• density: 1.071 g/mL at 25 °C (lit.)
• SMILES string: COC(=O)[C@@H](C)CO
• InChI: 1S/C5H10O3/c1-4(3-6)5(7)8-2/h4,6H,3H2,1-2H3/t4-/m0/s1
• InChI key: ATCCIZURPPEVIZ-BYPYZUCNSA-N

Description

Application

Methyl (S)-(+)-3-hydroxy-2-methylpropionate may be used as a starting material in the total synthesis of (+)-discodermolide, a potent antimitotic agent.

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 176.0 °F - closed cup
• Flash Point(C): 80 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves