Description

Benzoic Acid, 4-(2-Carboxy-1-Propenyl)-, 1-(1,1-Dimethylethyl) Ester, (E)- (9Ci) is a specialized benzoic acid derivative ester, identified by CAS number 159675-85-1, valued for its unique molecular structure that serves as a versatile building block in advanced organic synthesis. This compound is critical for research and development chemists seeking to introduce specific sterically hindered and functionalized aromatic motifs into target molecules. It finds primary application in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing novel drug candidates, particularly those requiring sterically hindered benzoate ester functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where its specific aromatic structure contributes to biological activity.
• Organic Synthesis Reagent: Serves as a versatile reagent in academic and industrial R&D for constructing complex molecules, including natural product analogs.
• Material Science Precursor: Potential use in the development of specialty polymers, liquid crystals, or organic electronic materials requiring tailored aromatic components.
• Fine Chemical Production: Employed in the multi-step synthesis of high-value, complex fine chemicals and flavors & fragrances intermediates.

Basic Information

Product Name	Benzoic Acid, 4-(2-Carboxy-1-Propenyl)-, 1-(1,1-Dimethylethyl) Ester, (E)- (9Ci)
CAS No.	159675-85-1
Molecular Formula	C16H20O4
Molecular Weight	276.33 g/mol
Synonyms	(E)-4-(2-Carboxyprop-1-en-1-yl)benzoic acid tert-butyl ester; tert-Butyl (E)-4-(2-carboxyprop-1-en-1-yl)benzoate; 4-[(1E)-2-Carboxy-1-propen-1-yl]benzoic acid 1,1-dimethylethyl ester; Benzoic acid, 4-[(1E)-2-carboxy-1-propen-1-yl]-, 1,1-dimethylethyl ester; 159675-85-1; tert-Butyl 4-[(E)-2-carboxyprop-1-enyl]benzoate
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4-(2-Carboxy-1-Propenyl)-, 1-(1,1-Dimethylethyl) Ester, (E)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting R&D and production standards. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.