Description

Benzenepropanoic Acid, 4-(Methoxycarbonyl)-, Butyl Ester (9Ci) is a specialized organic ester compound with the CAS number 501099-95-2. This high-purity intermediate is valued for its role in advanced synthesis, offering precise reactivity and functional group compatibility for demanding chemical processes. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the production of specialty chemicals, agrochemicals, and advanced material precursors.
• Organic Synthesis Research: Serves as a versatile reagent in academic and industrial R&D for exploring new reaction pathways.
• Liquid Crystal & Polymer Chemistry: A potential monomer or intermediate in the development of specialty polymers and electronic materials.
• Flavor & Fragrance Industry: May be employed in the synthesis of specific aromatic esters for high-value applications.

Basic Information

Product Name	Benzenepropanoic Acid, 4-(Methoxycarbonyl)-, Butyl Ester (9Ci)
CAS No.	501099-95-2
Molecular Formula	C15H20O4
Molecular Weight	264.32 g/mol
Synonyms	4-(Methoxycarbonyl)benzenepropanoic Acid Butyl Ester; Butyl 4-(Methoxycarbonyl)benzenepropanoate; Butyl 3-[4-(Methoxycarbonyl)phenyl]propanoate; 3-(4-Methoxycarbonylphenyl)propionic Acid Butyl Ester; 4-Carbomethoxybenzenepropanoic Acid Butyl Ester; Benzenepropanoic acid, 4-(methoxycarbonyl)-, butyl ester (9CI); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid, 4-(Methoxycarbonyl)-, Butyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality systems are designed to meet the stringent requirements of pharmaceutical and research customers globally.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 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.