(-)-Methyl D-|A-hydroxyisobutyrate (-)-Methyl |A-Hydroxyisobutyrate (2R)-3-Hydroxy-2-methylpropionic Acid Methyl Ester (R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester (R)-3-Hydroxyisobutyric Acid Methyl Ester 72657-23-9 Methyl (R)-(-)-3-hydroxy-2-methylpropionate Methyl (R)-3-hydroxy-2-methylpropionate R-(-)-Roche Ester CAS 72657-23-9

Purity 97%+In StockPharmaceutical Standards
CAS No.72657-23-9
Molecular FormulaC5H10O3
Molecular Weight118.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(-)-Methyl D-|A-hydroxyisobutyrate (-)-Methyl |A-Hydroxyisobutyrate (2R)-3-Hydroxy-2-methylpropionic Acid Methyl Ester (R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester (R)-3-Hydroxyisobutyric Acid Methyl Ester 72657-23-9 Methyl (R)-(-)-3-hydroxy-2-methylpropionate Methyl (R)-3-hydroxy-2-methylpropionate R-(-)-Roche Ester CAS 72657-23-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 118.13 g/mol gives (-)-Methyl D-|A-hydroxyisobutyrate (-)-Methyl |A-Hydroxyisobutyrate (2R)-3-Hydroxy-2-methylpropionic Acid Methyl Ester (R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester (R)-3-Hydroxyisobutyric Acid Methyl Ester 72657-23-9 Methyl (R)-(-)-3-hydroxy-2-methylpropionate Methyl (R)-3-hydroxy-2-methylpropionate R-(-)-Roche Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (-)-Methyl D-|A-hydroxyisobutyrate (-)-Methyl |A-Hydroxyisobutyrate (2R)-3-Hydroxy-2-methylpropionic Acid Methyl Ester (R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester (R)-3-Hydroxyisobutyric Acid Methyl Ester 72657-23-9 Methyl (R)-(-)-3-hydroxy-2-methylpropionate Methyl (R)-3-hydroxy-2-methylpropionate R-(-)-Roche Ester (CAS 72657-23-9), a certified reference material (molecular formula C5H10O3, MW 118.13 g/mol) for analytical method development and quality control.

The molecular framework of (-)-Methyl D-|A-hydroxyisobutyrate (-)-Methyl |A-Hydroxyisobutyrate (2R)-3-Hydroxy-2-methylpropionic Acid Methyl Ester (R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester (R)-3-Hydroxyisobutyric Acid Methyl Ester 72657-23-9 Methyl (R)-(-)-3-hydroxy-2-methylpropionate Methyl (R)-3-hydroxy-2-methylpropionate R-(-)-Roche Ester (C5H10O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC5H10O3
Molecular Weight118.13 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1977

Recommended Standards

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