Description

(+)-Methylphenylphosphinic Acid Methyl Ester is a high-purity chiral organophosphorus compound, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its role as a versatile building block for creating enantiomerically pure ligands, catalysts, and active pharmaceutical ingredients (APIs). This product is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop or manufacture optically active compounds.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the asymmetric synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Catalyst & Ligand Precursor: Used in the preparation of enantioselective catalysts and phosphine-based ligands for homogeneous catalysis.
• Agrochemical Synthesis: Employed as a building block for developing chiral pesticides and herbicides with enhanced efficacy and selectivity.
• Material Science Research: Serves as a monomer or modifier in the development of advanced polymeric materials with specific optical or electronic properties.
• Asymmetric Synthesis: Utilized in academic and industrial R&D for constructing complex molecules with high enantiomeric excess (ee).
• Chemical Reference Standard: Acts as a high-purity standard for analytical method development and quality control in chiral analysis.

Basic Information

Product Name	(+)-Methylphenylphosphinic Acid Methyl Ester
CAS No.	34647-07-9
Molecular Formula	C9H13O2P
Molecular Weight	184.17 g/mol
Synonyms	(+)-Methyl Phenylphosphinate; Methyl (R)-methylphenylphosphinate; (R)-Methyl Methylphenylphosphinate; Methyl (R)-(+)-Methylphenylphosphinate; Methyl Phenylmethylphosphinate; Phenylmethylphosphinic Acid Methyl Ester; (R)-Methyl Phenylmethylphosphinate; Methyl (methyl)(phenyl)phosphinate
EINECS	Contact for details

Quality Control

Our (+)-Methylphenylphosphinic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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