Description

Trimethylene Di(Thiotosylate) is a specialized sulfur-containing organic compound with the CAS registry number 3866-79-3. This chemical serves as a valuable bifunctional building block and reagent in advanced organic synthesis, enabling the introduction of tosyl-protected thiol groups. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular architectures and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), particularly those containing sulfur bridges or thioether linkages.
• Polymer Chemistry: Used as a cross-linking agent or monomer in the production of specialty polymers and resins with tailored properties.
• Agrochemical Synthesis: Intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Serves as a precursor for creating chelating ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in surface modification and the development of novel organic-inorganic hybrid materials.
• Bioconjugation Chemistry: Useful for modifying biomolecules, peptides, and proteins by introducing protected thiol handles for further functionalization.

Basic Information

Product Name	Trimethylene Di(Thiotosylate)
CAS No.	3866-79-3
Molecular Formula	C17H20O4S4
Molecular Weight	424.59 g/mol
Synonyms	1,3-Propanediyl bis(4-methylbenzenesulfonothioate); 1,3-Bis(tosylthio)propane; Propane-1,3-diyl bis(4-methylbenzenesulfonothioate); 1,3-Di-O-tosylthiopropane; 1,3-Ditosylthiopropane; 1,3-Propylene dithiol ditosylate; DTTP; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Trimethylene Di(Thiotosylate) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and industrial use. We employ advanced analytical techniques including HPLC, GC, and NMR for verification. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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