Description

1-Butanol, 2-Methyl-, 1-(4-Methylbenzenesulfonate), (2R)- is a high-purity, single-enantiomer chiral building block and pharmaceutical intermediate. Its defined stereochemistry and functional groups make it a valuable synthon for the controlled synthesis of complex molecules in regulated industries. This compound is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing active pharmaceutical ingredients (APIs) and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of specific active pharmaceutical ingredients (APIs) and drug candidates.
• Asymmetric Synthesis: Used as a stereochemically defined building block for constructing complex molecules with high enantiomeric purity.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, agrochemicals, and advanced materials requiring precise molecular architecture.
• Research & Development: Serves as a standard or reagent in organic chemistry research, process development, and method validation studies.
• Liquid Crystal & Polymer Chemistry: Potential use as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystal materials.

Basic Information

Product Name	1-Butanol, 2-Methyl-, 1-(4-Methylbenzenesulfonate), (2R)-
CAS No.	46481-05-4
Molecular Formula	C12H18O3S
Molecular Weight	242.33 g/mol
Synonyms	(R)-2-Methylbutyl 4-methylbenzenesulfonate; (2R)-2-Methylbutyl p-toluenesulfonate; (R)-2-Methylbutyl tosylate; (R)-2-Methyl-1-butyl tosylate; (R)-2-Methylbutyl p-tosylate; (R)-2-Methylbutyl 4-toluenesulfonate; (R)-2-Methylbutyl tosylate; (R)-2-Methylbutyl p-toluenesulphonate
EINECS	Contact for details

Quality Control

Our production of (R)-2-Methylbutyl tosylate adheres to stringent quality management protocols. Each batch is characterized and tested to ensure high chemical and enantiomeric purity, meeting the exacting standards required for pharmaceutical R&D and manufacturing. A comprehensive Certificate of Analysis (COA) detailing identity, purity (HPLC/GC), chiral purity, and impurity profiles is provided with every shipment.

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 heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and potential decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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