Description

4-Oxo-4-(2,3,4,5,6-Pentamethylphenyl)But-2-Enoic Acid is a specialized organic compound featuring a pentamethylphenyl group conjugated to an α,β-unsaturated keto-acid moiety, making it a valuable synthetic intermediate. This structure is crucial for constructing complex molecules where precise steric and electronic properties are required. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and advanced materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly for creating sterically hindered molecular architectures.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where the pentamethylphenyl group can enhance stability and bioavailability.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers with tailored thermal or optical properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Michael addition reactions and other conjugate addition chemistry.
• Ligand Precursor: Useful in the preparation of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	4-Oxo-4-(2,3,4,5,6-Pentamethylphenyl)But-2-Enoic Acid
CAS No.	175136-58-0
Molecular Formula	C₁₅H₁₈O₃
Molecular Weight	246.30 g/mol
Synonyms	4-(2,3,4,5,6-Pentamethylphenyl)-4-oxobut-2-enoic acid; (E)-4-(Pentamethylphenyl)-4-oxobut-2-enoic Acid; 4-Oxo-4-(pentamethylphenyl)-2-butenoic acid; 175136-58-0; Pentamethylphenyl keto-crotonic acid; PMP-Keto-crotonic acid
EINECS	Contact for details

Quality Control

Our production of 4-Oxo-4-(2,3,4,5,6-Pentamethylphenyl)But-2-Enoic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles to meet your specific research or production requirements.

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). The compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability.

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%
Heavy Metals	≤ 20 ppm

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