Description

1,4-Butanediol, 2,3-Dimethyl-, 1,4-Bis(4-Methylbenzenesulfonate), (2R,3R)- is a high-purity, stereochemically defined chemical intermediate of significant importance in advanced organic synthesis. This compound matters for its role as a key chiral building block, enabling the production of complex molecules with precise three-dimensional structures. Pharmaceutical R&D and fine chemical manufacturers need it for developing active pharmaceutical ingredients (APIs), specialty polymers, and advanced materials where stereochemical integrity is critical.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Used as a building block in stereoselective reactions to construct molecules with defined chirality for agrochemicals and specialty chemicals.
• Ligand and Catalyst Development: Serves as a backbone for creating novel chiral ligands and organocatalysts used in enantioselective transformations.
• Polymer Chemistry: Employed in the synthesis of specialized, stereoregular polymers and advanced polymeric materials with tailored properties.
• Academic & Industrial Research: A valuable tool for chemists in R&D settings exploring new synthetic methodologies and chemical biology.
• Fine Chemical Production: Integral to the multi-step synthesis of high-value, low-volume specialty chemicals for various high-tech industries.

Basic Information

Product Name	1,4-Butanediol, 2,3-Dimethyl-, 1,4-Bis(4-Methylbenzenesulfonate), (2R,3R)-
CAS No.	281214-27-5
Molecular Formula	C20H26O6S2
Molecular Weight	426.55 g/mol
Synonyms	(2R,3R)-2,3-Dimethylbutane-1,4-diyl bis(4-methylbenzenesulfonate); (R,R)-2,3-Dimethyl-1,4-butanediol ditosylate; (2R,3R)-2,3-Dimethyl-1,4-butanediol di-p-toluenesulfonate; DMTs; (R,R)-DMTs; Ditosylate of (2R,3R)-2,3-Dimethyl-1,4-butanediol; (R,R)-Dimethylbutanediol Ditosylate; Chiral Butanediol Ditosylate Derivative
EINECS	Contact for details

Quality Control

Our 1,4-Butanediol, 2,3-Dimethyl-, 1,4-Bis(4-Methylbenzenesulfonate), (2R,3R)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure compliance with exacting standards for stereochemical integrity and chemical purity. Certificates of Analysis (COA) detailing identity, assay, enantiomeric excess, and impurity profiles are 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 strong acids and incompatible organic solvents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.