Description

tert-Butyl 4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylate is a high-purity, specialized organic building block featuring a unique spirocyclic and polychlorinated structure. This compound is valued for its role as a key synthetic intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those requiring complex, sterically hindered, or halogenated frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its chlorinated spiro structure can contribute to unique biological activity.
• Advanced Material Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and functional materials with specific thermal or chemical resistance properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other sophisticated organic molecules.
• Ligand and Catalyst Development: Utilized as a scaffold for creating novel chiral ligands or organocatalysts used in asymmetric synthesis.

Basic Information

Item	Details
Product Name	tert-Butyl 4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylate
CAS No.	119060-44-5
Molecular Formula	C10H12Cl4O2
Molecular Weight	306.01 g/mol
Synonyms	1,1,2,2-Tetrachlorospiro[2.2]pentane-5-carboxylic acid tert-butyl ester; tert-Butyl 1,1,2,2-tetrachlorospiro[2.2]pentane-5-carboxylate; 4,4,5,5-Tetrachlorospiro[2.2]pentane-1-carboxylic acid tert-butyl ester; Spiro[2.2]pentane-1-carboxylic acid, 4,4,5,5-tetrachloro-, 1,1-dimethylethyl ester; TBTCSP
EINECS	Contact for details

Quality Control

Our tert-Butyl 4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and process development. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable to support our clients' regulatory requirements.

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). Keep away from strong oxidizing agents and bases. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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