Description

Benzoic Acid, 4-(1-Hydroxyethyl)-, 2-Methylbutyl Ester, [S-(R*,R*)]- (9Ci) is a chiral, high-purity ester derivative of benzoic acid, valued for its specific stereochemistry and functional groups. This compound is engineered to deliver consistent performance as a key intermediate or additive in advanced synthesis and formulation processes. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty fragrance industries seeking reliable, high-quality chiral building blocks.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in stereoselective reactions.
• Agrochemical Synthesis: Used in the production of advanced, optically active pesticides and herbicides.
• Specialty Fragrance & Flavor Ingredient: Serves as a precursor or modifier for creating complex, high-value aromatic compounds.
• Liquid Crystal & Advanced Material Research: Employed as a monomer or additive in the development of chiral dopants and functional polymers.
• Organic Synthesis Reagent: Acts as a protected or functionalized benzoic acid derivative in multi-step synthetic routes for fine chemicals.

Basic Information

Item	Details
Product Name	Benzoic Acid, 4-(1-Hydroxyethyl)-, 2-Methylbutyl Ester, [S-(R*,R*)]- (9Ci)
CAS No.	138935-09-8
Molecular Formula	C14H20O3
Molecular Weight	236.31 g/mol
Synonyms	(2S,3S)-2-Methylbutyl 4-(1-hydroxyethyl)benzoate; (S,S)-2-Methylbutyl 4-(1-hydroxyethyl)benzoate; Benzoic acid, 4-(1-hydroxyethyl)-, (2S,3S)-2-methylbutyl ester; [S-(R*,R*)]-Benzoic acid, 4-(1-hydroxyethyl)-, 2-methylbutyl ester; 4-(1-Hydroxyethyl)benzoic acid 2-methylbutyl ester (S,S-isomer); (2S,3S)-2-Methylbutyl 4-(α-hydroxyethyl)benzoate
EINECS	Contact for details

Quality Control

Every batch of our Benzoic Acid, 4-(1-Hydroxyethyl)-, 2-Methylbutyl Ester, [S-(R*,R*)]- (9Ci) is produced under a strict quality management system. We employ advanced analytical techniques, including chiral HPLC, GC, and NMR, to ensure high enantiomeric purity and chemical identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your project specifications.

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 bases and incompatible materials such as strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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