Description

4-Penten-1-One, 2-Chloro-1-Phenyl- (9Ci) is a specialized organic building block featuring a reactive chlorinated ketone moiety on a pentenyl backbone. This compound matters as a versatile intermediate for synthesizing complex molecules, particularly in pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and advanced material sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key synthon for the development of active pharmaceutical ingredients (APIs), especially those containing functionalized ketone or phenylpropene structures.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a precursor for Michael addition reactions, nucleophilic substitution, and cyclization reactions to create heterocyclic compounds.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Flavor & Fragrance Chemistry: Potential intermediate for synthesizing complex aroma chemicals and odorants.
• Academic & Industrial R&D: A valuable tool for methodological studies and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	4-Penten-1-One, 2-Chloro-1-Phenyl- (9Ci)
CAS No.	219899-88-4
Molecular Formula	C11H11ClO
Molecular Weight	194.66 g/mol
Synonyms	2-Chloro-1-phenyl-4-penten-1-one; 1-Phenyl-2-chloro-4-penten-1-one; 2-Chloro-1-phenylpent-4-en-1-one; α-Chloro-β-benzoylpropene; (2-Chloro-1-oxo-4-pentenyl)benzene; Benzene, (2-chloro-1-oxo-4-pentenyl)-; 4-Penten-1-one, 2-chloro-1-phenyl-
EINECS	Contact for details

Quality Control

Our 4-Penten-1-One, 2-Chloro-1-Phenyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.