Description

Benzoic Acid, 4-[(1E)-3-Carboxy-1-Propenyl]-, 1-Ethyl Ester (9Ci) is a specialized benzoic acid derivative featuring a conjugated propenyl ester side chain, offering unique reactivity and functional properties. This compound is valued for its role as a versatile synthetic intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and advanced organic materials requiring specific conjugated structures.
• Academic & Industrial Research: Employed in methodological studies, catalysis research, and the development of new synthetic pathways.
• Liquid Crystal & OLED Material Research: Potential intermediate for creating organic electronic materials due to its rigid, conjugated backbone.

Basic Information

Product Name	Benzoic Acid, 4-[(1E)-3-Carboxy-1-Propenyl]-, 1-Ethyl Ester (9Ci)
CAS No.	887339-22-2
Molecular Formula	C13H14O4
Molecular Weight	234.25 g/mol
Synonyms	4-[(1E)-3-Ethoxy-3-oxoprop-1-en-1-yl]benzoic acid; (E)-4-(3-Ethoxy-3-oxoprop-1-en-1-yl)benzoic acid; 1-Ethyl 4-[(1E)-3-carboxy-1-propenyl]benzoate; Ethyl (E)-4-(3-carboxyacryloyl)benzoate; Benzoic acid, 4-[(1E)-3-carboxy-1-propenyl]-, ethyl ester; Ethyl 4-[(1E)-3-carboxyprop-1-en-1-yl]benzoate
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4-[(1E)-3-Carboxy-1-Propenyl]-, 1-Ethyl Ester (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), identity (by IR/NMR), and impurity profile is provided with every shipment. We support cGMP and ISO compliant manufacturing for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
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.