Description

Spiro[2.5]Oct-1-Ene, 4-Ethynyl- (9Ci) is a specialized spirocyclic organic compound featuring a unique bridged-ring structure with an ethynyl functional group. This molecular architecture makes it a valuable and versatile advanced intermediate for complex organic synthesis, particularly in the development of novel chemical entities. It is primarily sought after by pharmaceutical R&D and agrochemical laboratories for constructing intricate molecular scaffolds.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing novel drug candidates, especially those requiring complex, three-dimensional spirocyclic cores.
• Agrochemical Research: Used in the development of new active ingredients for crop protection with potentially unique modes of action.
• Material Science: Serves as a precursor for specialty polymers or ligands with tailored electronic or structural properties.
• Academic & Industrial R&D: Employed in methodological studies and the discovery of new chemical reactions involving strained alkene and alkyne functionalities.
• Fine Chemical Synthesis: An intermediate for creating complex fragrances, flavors, or other high-value specialty chemicals.

Basic Information

Product Name	Spiro[2.5]Oct-1-Ene, 4-Ethynyl- (9Ci)
CAS No.	54440-42-5
Molecular Formula	C10H10
Molecular Weight	130.19 g/mol
Synonyms	4-Ethynylspiro[2.5]oct-1-ene; 4-Ethynyl-1-spiro[2.5]octene; Spiro[2.5]oct-1-ene, 4-ethynyl-; 1-Spiro[2.5]octene, 4-ethynyl-; 4-Ethynyl-1-spiro(2.5)octene; 4-Ethynylspiro(2.5)oct-1-ene
EINECS	Contact for details

Quality Control

Every batch of Spiro[2.5]Oct-1-Ene, 4-Ethynyl- (9Ci) is produced and tested under strict quality management protocols to ensure high purity and batch-to-batch consistency. Our products undergo rigorous analytical testing, including chromatography and spectroscopy, to meet precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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