Description

3-Carboxypropyl Disulfide is an organosulfur compound featuring both a disulfide linkage and a terminal carboxylic acid functional group. This unique bifunctional structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily sought by R&D chemists and process development scientists for applications in drug discovery, peptide chemistry, and as a building block for functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing disulfide or thiol motifs.
• Peptide Chemistry: Used in the preparation of cysteine analogs and for introducing disulfide bridges or carboxylated side chains into synthetic peptides.
• Bioconjugation Reagent: Serves as a linker molecule for coupling biomolecules (e.g., proteins, antibodies) to surfaces, nanoparticles, or other molecules via its reactive functional groups.
• Chemical Research: Valuable precursor in organic synthesis for creating libraries of sulfur-containing compounds for screening and development.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with specific redox or adhesive properties.

Basic Information

Product Name	3-Carboxypropyl Disulfide
CAS No.	2906-60-7
Molecular Formula	C8H14O4S2
Molecular Weight	238.33 g/mol
Synonyms	3,3'-Dithiodipropionic Acid; Bis(2-carboxyethyl) Disulfide; 3,3'-Dithiobis(propanoic Acid); Dithiodipropionic Acid; 3-Carboxypropyl Disulphide; 3,3'-Disulfanediyldipropionic Acid; 2906-60-7; DTDPA
EINECS	220-819-5

Quality Control

Our 3-Carboxypropyl Disulfide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates.

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. For long-term storage, consider an inert atmosphere to minimize oxidation potential.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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