Description

3-Buten-1-One, 2-Chloro-1-(4-Methylphenyl)- (9Ci) is a specialized organic chemical building block featuring a reactive chlorinated enone structure attached to a tolyl group. This compound is valued for its role as a key intermediate in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working in fine chemical synthesis. The unique combination of functional groups offers versatile reactivity for constructing heterocyclic and other advanced frameworks.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those containing complex ketone or heterocyclic motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its reactive site for molecular diversification.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex organic molecules, including natural product analogs and specialty chemicals.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of advanced polymeric materials with specific optical or electronic properties.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme interactions.

Basic Information

Product Name	3-Buten-1-One, 2-Chloro-1-(4-Methylphenyl)- (9Ci)
CAS No.	77131-96-5
Molecular Formula	C11H11ClO
Molecular Weight	194.66 g/mol
Synonyms	2-Chloro-1-(4-methylphenyl)-3-buten-1-one; 2-Chloro-1-(p-tolyl)but-3-en-1-one; 1-(4-Methylphenyl)-2-chloro-3-buten-1-one; p-Tolyl 2-chlorovinyl ketone; 2-Chloro-1-p-tolyl-3-buten-1-one; 2-Chloro-1-(4'-methylphenyl)-3-buten-1-one
EINECS	Contact for details

Quality Control

Our 3-Buten-1-One, 2-Chloro-1-(4-Methylphenyl)- (9Ci) is produced under a strict quality management system to ensure batch-to-batch consistency and high purity for research and development applications. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 packaging or amber glass.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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