Description

Benzeneacetic Acid, A-(1-Methylethyl)-, Methyl Ester, (R)- is a high-purity chiral intermediate of significant importance in advanced organic synthesis. This compound is valued for its role as a key building block in the production of enantiomerically pure pharmaceuticals and fine chemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is required for biological activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of complex fragrances, flavors, and other specialty organic compounds.
• Asymmetric Catalysis Research: Employed as a substrate or ligand precursor in academic and industrial research focused on developing new catalytic methodologies.
• Process Chemistry Development: Utilized in scaling up synthetic routes from laboratory to pilot plant and commercial production.

Basic Information

Item	Detail
Product Name	Benzeneacetic Acid, A-(1-Methylethyl)-, Methyl Ester, (R)-
CAS No.	143838-44-2
Molecular Formula	C12H16O2
Molecular Weight	192.26 g/mol
Synonyms	(R)-Methyl 2-(1-Methylethyl)phenylacetate; (R)-α-Isopropylphenylacetic Acid Methyl Ester; (R)-Methyl α-Isopropylbenzeneacetate; Methyl (R)-2-Phenylpropionate (related structure); (R)-2-(1-Methylethyl)benzeneacetic acid methyl ester; (R)-HMPA Ester (contextual); (R)-Methyl 2-Isopropyl-2-phenylacetate
EINECS	Contact for details

Quality Control

Our Benzeneacetic Acid, A-(1-Methylethyl)-, Methyl Ester, (R)- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to meet the stringent requirements of pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.