Description

4-(Cyclopropylethynyl)Benzoic Acid is a specialized aromatic carboxylic acid derivative featuring a cyclopropylethynyl substituent. This unique molecular architecture makes it a valuable building block and intermediate in advanced organic synthesis, particularly for constructing complex molecular scaffolds. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, especially those requiring rigid, three-dimensional structural elements.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a monomer or precursor for advanced polymers and liquid crystalline materials.
• Organic Synthesis: A versatile reagent for Sonogashira coupling and other cross-coupling reactions to create complex alkynyl-substituted aromatic systems.
• Chemical Biology: Useful as a probe or linker in bioconjugation chemistry due to its carboxylic acid functionality.

Basic Information

Product Name	4-(Cyclopropylethynyl)Benzoic Acid
CAS No.	908247-29-0
Molecular Formula	C12H10O2
Molecular Weight	186.21 g/mol
Synonyms	4-(Cyclopropylethynyl)benzoic acid; Benzoic acid, 4-(2-cyclopropylethynyl)-; p-(Cyclopropylethynyl)benzoic Acid; 4-(2-Cyclopropylethynyl)benzoic Acid; 4-Cyclopropylethynylbenzoic Acid; (4-Carboxyphenyl)(cyclopropyl)acetylene
EINECS	Contact for details

Quality Control

Our 4-(Cyclopropylethynyl)Benzoic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, NMR, and other relevant spectroscopic methods. Our quality commitment ensures the material meets the high standards required for research and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be stored away from light as indicated.

Specification

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