Description

Acetonitrile, [4-Hydroxy-5-(1-Methylethylidene)-2-Cyclopenten-1-Ylidene]- (9Ci) is a specialized organic compound featuring a cyclopentenylidene core functionalized with hydroxy and isopropylidene groups, solubilized in acetonitrile. This unique structure makes it a valuable high-purity chemical intermediate for advanced synthesis in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those with complex cyclic or heterocyclic frameworks.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators requiring specific steric and electronic properties.
• Organic Synthesis Reagent: Acts as a versatile precursor or reactant in multi-step organic synthesis for constructing functionalized cyclopentene derivatives.
• Material Science Research: Investigated as a monomer or functional additive in the development of specialty polymers and advanced organic materials.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	Acetonitrile, [4-Hydroxy-5-(1-Methylethylidene)-2-Cyclopenten-1-Ylidene]- (9Ci)
CAS No.	119892-19-2
Molecular Formula	C11H13NO2
Molecular Weight	191.23 g/mol
Synonyms	4-Hydroxy-5-isopropylidene-2-cyclopenten-1-ylideneacetonitrile; (4-Hydroxy-5-isopropylidene-2-cyclopenten-1-ylidene)acetonitrile; 2-(4-Hydroxy-5-isopropylidene-2-cyclopenten-1-ylidene)acetonitrile; Acetonitrile, (4-hydroxy-5-isopropylidene-2-cyclopenten-1-ylidene)-; Light-sensitive cyclopentenylidene acetonitrile derivative
EINECS	Contact for details

Quality Control

Every batch of Acetonitrile, [4-Hydroxy-5-(1-Methylethylidene)-2-Cyclopenten-1-Ylidene]- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for research and development applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all shipments. Our quality protocols are designed to support cGMP and ISO standards for traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from heat, sparks, and open flame. For long-term storage, consider using an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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