Description

Sodium (R)-2,3-Dimercaptopropanesulphonate is a high-purity, water-soluble chelating agent and chiral building block of significant pharmaceutical interest. Its core value lies in its ability to bind heavy metals and its utility as a key intermediate in the synthesis of optically active compounds. This product is essential for research and manufacturing in the pharmaceutical, biotechnology, and fine chemical sectors, where precise molecular control and high purity are paramount.

Application

• Pharmaceutical intermediate for the synthesis of chiral drugs and active pharmaceutical ingredients (APIs).
• Heavy metal chelating agent in research and potential therapeutic applications.
• Key chiral building block in asymmetric synthesis for agrochemicals and specialty chemicals.
• Biochemical research involving thiol-disulfide chemistry and enzyme studies.
• Precursor for the preparation of more complex mercapto-sulfonate derivatives.
• Potential use in diagnostic agent formulation and radiopharmaceuticals.

Basic Information

Product Name	Sodium (R)-2,3-Dimercaptopropanesulphonate
CAS No.	85168-98-5
Molecular Formula	C3H5NaO3S3
Molecular Weight	200.24 g/mol
Synonyms	(R)-2,3-Dimercapto-1-propanesulfonic Acid Sodium Salt; (R)-DMPS Sodium Salt; (R)-Sodium Dimercaptopropanesulfonate; (R)-Unithiol Sodium; (2R)-2,3-Disulfanylpropane-1-sulfonic Acid Sodium Salt; (R)-2,3-Dimercaptopropane-1-sulfonate Sodium; (R)-Dimaval (Sodium Salt); Sodium (R)-Dimercaptosuccinate Analog
EINECS	Contact for details

Quality Control

Our Sodium (R)-2,3-Dimercaptopropanesulphonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets stringent specifications for pharmaceutical and research use. Certificates of Analysis (COA) with detailed chromatographic data are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C in a dry, cool place. This product is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air, moisture, or elevated temperatures will lead to degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Chiral Purity (HPLC)	≥99.0% ee (R-enantiomer)
Water Content (KF)	≤2.0%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.5%

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