Description

1,2-Benzenediol, 3-[(R)-(1-Methylethyl)Sulfinyl]- (9Ci) is a chiral sulfoxide derivative of catechol, a specialized fine chemical building block of significant interest in advanced organic synthesis. Its unique structure, featuring a stereogenic sulfur atom, makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and chiral ligands. This high-purity intermediate is essential for research and production chemists in the pharmaceutical and specialty chemical industries seeking to introduce specific stereochemistry and functional groups into complex molecules. The compound, identified by CAS number 499202-07-2, is supplied under stringent quality control to ensure batch-to-batch consistency for critical applications.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and cardiovascular drugs.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides where specific stereochemistry is crucial for bioactivity and environmental safety.
• Chiral Ligand & Catalyst Preparation: Acts as a precursor for synthesizing novel chiral ligands and organocatalysts used in asymmetric synthesis to control stereoselectivity.
• Material Science Research: Employed in the development of advanced polymeric materials and liquid crystals where the sulfinyl and diol functionalities can influence material properties.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory compliance in pharmaceutical laboratories.

Basic Information

Product Name	1,2-Benzenediol, 3-[(R)-(1-Methylethyl)Sulfinyl]- (9Ci)
CAS No.	499202-07-2
Molecular Formula	C9H12O3S
Molecular Weight	200.26 g/mol
Synonyms	(R)-3-Isopropylsulfinylcatechol; 3-[(1R)-1-Methylethylsulfinyl]benzene-1,2-diol; (R)-3-(Isopropylsulfinyl)pyrocatechol; 1,2-Dihydroxy-3-[(R)-isopropylsulfinyl]benzene; (R)-3-(1-Methylethylsulfinyl)-1,2-benzenediol; (R)-3-Isopropanesulfinylcatechol; (R)-3-(Propan-2-ylsulfinyl)benzene-1,2-diol
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenediol, 3-[(R)-(1-Methylethyl)Sulfinyl]- (9Ci) adheres to a strict quality management system. Every batch is analyzed using advanced techniques like HPLC, GC, and chiral analysis to ensure high chemical and enantiomeric purity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere when appropriate to prevent oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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