Description

Benzoic Acid (S)-4-Acetoxy-[1,3]Dioxolan-2-Ylmethyl Ester is a specialized chiral intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a key building block in the production of enantiomerically pure pharmaceuticals and fine chemicals. Industries that require high-purity chiral synthons, such as pharmaceutical R&D, agrochemical manufacturing, and academic research, are the primary users of this material.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Asymmetric Synthesis: Used in catalytic and stoichiometric asymmetric reactions to introduce chiral centers with high enantiomeric excess.
• Agrochemical Development: Serves as a precursor in the research and production of chiral pesticides and herbicides.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and process chemistry laboratories.
• Fine Chemical Production: Employed in the manufacture of complex, high-value specialty chemicals and flavors/fragrances intermediates.

Basic Information

Product Name	Benzoic Acid (S)-4-Acetoxy-[1,3]Dioxolan-2-Ylmethyl Ester
CAS No.	145354-82-1
Molecular Formula	C13H14O6
Molecular Weight	266.25 g/mol
Synonyms	(S)-4-Acetoxy-1,3-dioxolan-2-ylmethyl benzoate; (S)-2-(Acetoxymethyl)-1,3-dioxolan-4-yl benzoate; Benzoic acid, (S)-4-(acetyloxy)-1,3-dioxolan-2-ylmethyl ester; (S)-4-Acetoxy-2-(hydroxymethyl)-1,3-dioxolane benzoate; Chiral dioxolane benzoate ester; (S)-Dioxolanyl methyl benzoate acetate
EINECS	Contact for details

Quality Control

Our Benzoic Acid (S)-4-Acetoxy-[1,3]Dioxolan-2-Ylmethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical purity, chiral integrity, and consistency. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed and away from direct light and moisture to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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