Description

(1R)-1-Methylpropyl-4-Methylbenzenesulfonate is a chiral sulfonate ester of significant interest in advanced organic synthesis. This compound matters as a versatile chiral building block and resolving agent, enabling the production of enantiomerically pure intermediates for high-value applications. It is needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for asymmetric synthesis and chiral resolution processes.

Application

• As a chiral auxiliary or resolving agent in the synthesis of enantiomerically pure pharmaceutical intermediates.
• In the development of asymmetric catalysts and ligands for stereoselective reactions.
• As a key starting material or intermediate in the production of active pharmaceutical ingredients (APIs) with specific stereochemistry.
• For research and development of novel agrochemicals requiring chiral specificity.
• In the synthesis of specialty chemicals, such as liquid crystals or advanced materials, where molecular chirality is critical.
• As a standard or reference compound in analytical method development for chiral separation techniques (e.g., chiral HPLC).

Basic Information

Product Name	(1R)-1-Methylpropyl-4-Methylbenzenesulfonate
CAS No.	61530-30-1
Molecular Formula	C12H18O3S
Molecular Weight	242.33 g/mol
Synonyms	(R)-sec-Butyl p-toluenesulfonate; (R)-1-Methylpropyl 4-methylbenzenesulfonate; (R)-2-Butyl tosylate; (R)-sec-Butyl tosylate; p-Toluenesulfonic acid (1R)-1-methylpropyl ester; (R)-(-)-sec-Butyl p-toluenesulfonate; (1R)-1-Methylpropyl-4-methylbenzenesulfonate
EINECS	Contact for details

Quality Control

Our (1R)-1-Methylpropyl-4-Methylbenzenesulfonate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and chiral purity, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity (by HPLC/GC), chiral purity (by chiral HPLC or polarimetry), and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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