Description

Butanedioic Acid, Methyl-, 1-(Phenylbenzyl) Ester, (2R)- (9Ci) is a chiral ester derivative of succinic acid, serving as a valuable synthetic intermediate and building block in advanced organic chemistry. Its defined stereochemistry and functional groups make it crucial for the production of enantiomerically pure compounds, where precise molecular architecture is required. This product is primarily needed by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for applications in asymmetric synthesis and active pharmaceutical ingredient (API) development.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Used as a starting material or auxiliary in catalytic and stoichiometric asymmetric reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Organic Synthesis Research: A versatile reagent in academic and industrial R&D for developing new synthetic methodologies.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chiral ligands and organocatalysts.

Basic Information

Product Name	Butanedioic Acid, Methyl-, 1-(Phenylbenzyl) Ester, (2R)- (9Ci)
CAS No.	143225-28-9
Molecular Formula	C19H20O4
Molecular Weight	312.36 g/mol
Synonyms	(R)-Methyl 4-(Benzyloxy)-4-oxobutanoate; (R)-Methyl 4-(Benzyloxycarbonyl)propanoate; (2R)-Methyl 4-(Benzyloxy)-4-oxobutanoate; (R)-Methyl 4-(Benzyloxycarbonyl)propionate; (R)-Methyl 4-(Benzyloxy)-4-oxobutyrate; (R)-Methyl hydrogen benzyl succinate; (R)-Methyl 4-(Benzyloxy)-4-oxobutanoic acid ester; (R)-Methyl benzyl succinate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with a typical purity of ≥97% (by HPLC), with specifications tailored to meet the stringent requirements of pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Optical Purity (Chiral HPLC)	≥98.0% ee
Specific Rotation	Contact for details
Water Content (KF)	≤0.5%

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