Description

L-(+)-Mandelic Acid Benzyl Ester is a high-purity chiral building block and intermediate of significant commercial importance. This optically active ester is valued for its role in the synthesis of enantiomerically pure pharmaceuticals and fine chemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise stereochemical control.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and as a precursor for antimicrobial agents.
• Asymmetric Synthesis: Used as a resolving agent or a chiral auxiliary in stereoselective chemical reactions to produce single-enantiomer compounds.
• Agrochemical Research: Serves as a building block for developing chiral pesticides and herbicides with enhanced efficacy and environmental profiles.
• Flavor & Fragrance Industry: Employed in the synthesis of complex aromatic esters and molecules that contribute to specific flavor or fragrance notes.
• Academic & R&D Laboratories: Utilized in methodological development and research projects focused on organic synthesis and catalysis.
• Fine Chemical Production: An intermediate for manufacturing advanced materials, liquid crystals, and other high-value specialty chemicals.

Basic Information

Product Name	L-(+)-Mandelic Acid Benzyl Ester
CAS No.	62173-99-3
Molecular Formula	C15H14O3
Molecular Weight	242.27 g/mol
Synonyms	(R)-(+)-Mandelic Acid Benzyl Ester; (R)-Benzyl 2-Hydroxy-2-phenylacetate; L-Mandelic Acid Benzyl Ester; (+)-Mandelic Acid Benzyl Ester; Benzyl (R)-(-)-Mandelate; Benzyl L-Mandelate; (R)-Benzyl Mandelate; α-Hydroxybenzeneacetic Acid Benzyl Ester (L-form)
EINECS	Contact for details

Quality Control

Our L-(+)-Mandelic Acid Benzyl 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 synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and specific rotation are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Specific Rotation [α]20/D	+150° to +158° (c=1 in CHCl3)
Melting Point	78°C - 82°C
Loss on Drying	≤ 0.5%

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