Description

2-Butenal, 3-Chloro-4-Oxo-4-Phenyl-, (E)- (9Ci) is a specialized α,β-unsaturated carbonyl compound featuring a phenyl ketone and a chloro substituent. This unique molecular architecture makes it a valuable high-purity building block for advanced organic synthesis. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular scaffolds.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with chalcone or related frameworks.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in Michael addition reactions, cyclization processes, and as a dienophile in Diels-Alder reactions to create complex heterocyclic compounds.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing specialty polymers with specific optical or electronic properties.
• Chemical Reference Standard: Supplied to analytical laboratories for method development, calibration, and quality control testing.

Basic Information

Product Name	2-Butenal, 3-Chloro-4-Oxo-4-Phenyl-, (E)- (9Ci)
CAS No.	148470-36-4
Molecular Formula	C10H7ClO2
Molecular Weight	194.61 g/mol
Synonyms	(E)-3-Chloro-4-oxo-4-phenylbut-2-enal; 3-Chloro-4-oxo-4-phenyl-2-butenal; 4-Phenyl-3-chloro-2-buten-1,4-dione; 3-Chloro-4-phenyl-3-buten-2-one-1-al; Phenyl 3-chloro-2-formylvinyl ketone
EINECS	Contact for details

Quality Control

We supply high-purity grades of this advanced intermediate, tailored for research and scale-up. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every batch, supporting your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound may be sensitive to moisture and prolonged exposure to air; keep container tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.