Description

Cyclopentane, 1-Methylene-3-(1-Methylethylidene)- CAS NO 73913-74-3 is a specialized, high-purity cyclopentane derivative characterized by its unique bridged-ring structure. This compound serves as a critical advanced intermediate in organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Specialty Polymer & Resin Production: Serves as a monomer or cross-linking agent for creating polymers with specific thermal or mechanical properties.
• Fragrance & Flavor Chemistry: An intermediate for synthesizing specific terpenoid-based aroma chemicals.
• Material Science Research: Investigated for use in organic semiconductors, liquid crystals, and other advanced electronic materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for Diels-Alder reactions and other cycloaddition chemistry.

Basic Information

Item	Details
Product Name	Cyclopentane, 1-Methylene-3-(1-Methylethylidene)-
CAS No.	73913-74-3
Molecular Formula	C10H14
Molecular Weight	134.22 g/mol
Synonyms	1-Methylene-3-(1-methylethylidene)cyclopentane; 3-Isopropylidene-1-methylenecyclopentane; 1-Methylene-3-(propan-2-ylidene)cyclopentane; (3-Isopropylidenecyclopentylidene)methane; NSC 163045; Cyclopentane, 1-methylene-3-(1-methylethylidene)-; 1-Methylene-3-isopropylidenecyclopentane
EINECS	Contact for details

Quality Control

Our production of Cyclopentane, 1-Methylene-3-(1-Methylethylidene)- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO aligned practices for traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Residue on Evaporation	≤ 0.05%

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