Description

Benzoic Acid, 4-[3-(Acetyloxy)-2-Methylpropyl]-, Methyl Ester, (S)- (9Ci) is a chiral, optically active ester derivative of benzoic acid, characterized by its specific stereochemistry and functional groups. This compound is valued for its role as a key synthetic intermediate and building block in the production of complex organic molecules, particularly in the pharmaceutical and fine chemical sectors. It is essential for research and development chemists and manufacturers requiring high-purity, stereochemically defined intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A critical chiral building block in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting specific biological pathways.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, flavors, fragrances, and advanced materials where precise molecular architecture is required.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development and study of new asymmetric catalytic reactions.
• Agrochemical Development: Employed in the research and synthesis of novel, biologically active compounds for crop protection.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and process development.

Basic Information

Item	Detail
Product Name	Benzoic Acid, 4-[3-(Acetyloxy)-2-Methylpropyl]-, Methyl Ester, (S)- (9Ci)
CAS No.	170955-24-5
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	(S)-Methyl 4-(3-acetoxy-2-methylpropyl)benzoate; Methyl (S)-4-(3-Acetoxy-2-methylpropyl)benzoate; (S)-4-(3-Acetoxy-2-methylpropyl)benzoic acid methyl ester; Benzoic acid, 4-(3-(acetyloxy)-2-methylpropyl)-, methyl ester, (S)-; L-Form of the ester; (S)-Configuration isomer
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4-[3-(Acetyloxy)-2-Methylpropyl]-, Methyl Ester, (S)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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 heat, open flames, and incompatible materials. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee (S-isomer)
Water Content (KF)	≤ 0.5%

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