Description

3-(4-tert-Butyl-Phenyl)-3-Oxo-Propionic Acid Methyl Ester is a high-purity organic ester compound, CAS NO 200280-57-5, valued as a versatile chemical intermediate and building block in advanced synthesis. Its molecular structure, featuring a tert-butylphenyl group and a β-keto ester moiety, makes it a critical precursor for the development of complex molecules. This product is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise and reliable intermediates are required.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with aryl ketone backbones.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in electronic chemicals.
• Fine Chemical Production: Intermediate for flavors, fragrances, and other high-value specialty chemicals.
• Polymer Additives: Potential use in the synthesis of UV stabilizers or other polymer modifiers.
• Academic & Industrial R&D: A valuable reagent for method development and novel compound library synthesis in research laboratories.

Basic Information

Product Name	3-(4-tert-Butyl-Phenyl)-3-Oxo-Propionic Acid Methyl Ester
CAS No.	200280-57-5
Molecular Formula	C14H18O3
Molecular Weight	234.29 g/mol
Synonyms	Methyl 3-(4-tert-butylphenyl)-3-oxopropanoate; 3-Oxo-3-(4-tert-butylphenyl)propionic acid methyl ester; Methyl 4'-tert-butylbenzoylacetate; 4'-tert-Butylbenzoylacetic acid methyl ester; 3-(p-tert-Butylphenyl)-3-oxopropanoic acid methyl ester; β-Keto ester intermediate; CAS 200280-57-5
EINECS	Contact for details

Quality Control

Our 3-(4-tert-Butyl-Phenyl)-3-Oxo-Propionic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product may be moisture-sensitive; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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