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Roche Ester

Methyl 3-hydroxy-2-methylpropionate (also called “Roche ester”) is an important intermediate for the manufacture of pharmaceutical active ingredients. Both enantiomers are available on kilogram scale with very high optical purity (>99.5 %). Click here for the certificate of analysis.

IUPAC name: Methyl 3-hydroxy-2-methylpropionate

CAS Number: 72657-23-9 (R), 80657-57-4 (S)

Molecular Formula: C5H10O3

PubChem CID: 5324733 (R), 10192563 (S)

Molecular weight: 118.13 g.mol-1


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