Description

(R,R)-(+)-1,4-Dimethoxy-2,3-Butanediol CAS NO 33507-82-3 is a high-purity chiral diol derivative, serving as a versatile building block in asymmetric synthesis. Its value lies in its role as a key chiral auxiliary and precursor for synthesizing complex pharmaceutical intermediates and fine chemicals. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise stereochemistry is critical for product efficacy and regulatory approval.

Application

• Pharmaceutical Intermediate: A crucial chiral precursor for the synthesis of active pharmaceutical ingredients (APIs), particularly in antiviral, cardiovascular, and central nervous system (CNS) drug development.
• Asymmetric Synthesis: Employed as a chiral ligand, auxiliary, or resolving agent in catalytic asymmetric reactions to induce high enantioselectivity.
• Agrochemical Synthesis: Used in the production of chiral pesticides and herbicides, where the specific stereoisomer can affect biological activity and environmental persistence.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and advanced materials that require defined stereochemistry.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and process chemistry optimization.

Basic Information

Product Name	(R,R)-(+)-1,4-Dimethoxy-2,3-Butanediol
CAS No.	33507-82-3
Molecular Formula	C6H14O4
Molecular Weight	150.17 g/mol
Synonyms	(2R,3R)-2,3-Dihydroxybutane-1,4-diyl dimethyl ether; (R,R)-1,4-Dimethoxy-2,3-butanediol; (2R,3R)-1,4-Dimethoxy-2,3-butanediol; (R,R)-DMB; (2R,3R)-Butane-1,2,3,4-tetrol 1,4-dimethyl ether; (+)-1,4-Dimethoxy-2,3-butanediol; D-1,4-Dimethoxy-2,3-butanediol
EINECS	Contact for details

Quality Control

Our (R,R)-(+)-1,4-Dimethoxy-2,3-Butanediol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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