Description

Cyclobutane-1,1-Diylbis(Methylene) Bis(4-Methylbenzenesulfonate) is a high-purity organic chemical building block and sulfonate ester derivative. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in the construction of complex molecular architectures. It is primarily sought by research and development laboratories and production facilities in the pharmaceutical and fine chemical industries for the synthesis of novel active pharmaceutical ingredients (APIs) and specialty materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Organic Synthesis Reagent: Used as a versatile alkylating or functionalizing agent in multi-step synthetic routes.
• Polymer Chemistry: Potential monomer or cross-linking agent in the development of specialty polymers and resins.
• Ligand and Catalyst Development: Serves as a precursor for creating novel ligands or organocatalysts for asymmetric synthesis.
• Material Science Research: Employed in the research and development of advanced organic electronic materials or liquid crystals.
• Agrochemical Synthesis: Intermediate in the production pathway for certain high-value crop protection agents.

Basic Information

Product Name	Cyclobutane-1,1-Diylbis(Methylene) Bis(4-Methylbenzenesulfonate)
CAS No.	22308-09-4
Molecular Formula	C₂₀H₂₂O₆S₂
Molecular Weight	422.51 g/mol
Synonyms	1,1-Bis(bromomethyl)cyclobutane ditosylate; Cyclobutane-1,1-diylbis(methylene) bis(4-methylbenzenesulfonate); p-Toluenesulfonic acid, 1,1-bis(chloromethyl)cyclobutyl ester; 1,1-Bis(chloromethyl)cyclobutane bis(tosylate); Cyclobutane-1,1-dimethanol ditosylate; Tosyloxymethylcyclobutylmethyl tosylate; 4-Methylbenzenesulfonic acid cyclobutane-1,1-diylbis(methylene) ester
EINECS	Contact for details

Quality Control

Our Cyclobutane-1,1-Diylbis(Methylene) Bis(4-Methylbenzenesulfonate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in a desiccator to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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