Description

4'-Carboxyphenyl 4-Guanidinobenzoate is a high-purity, bifunctional organic compound featuring both a carboxylic acid and a guanidino group on a biphenyl-like scaffold. This unique structure makes it a valuable chemical building block and research intermediate for the synthesis of more complex molecules, particularly in medicinal chemistry. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers developing protease inhibitors, receptor ligands, and other bioactive compounds.

Application

• Pharmaceutical Intermediate: Key synthetic precursor in the development of novel serine protease inhibitors and other therapeutic agents.
• Biochemical Research: Used as a building block for designing and synthesizing enzyme substrates, affinity labels, and molecular probes.
• Peptidomimetic Chemistry: Serves as a core scaffold or side-chain component in the creation of peptide analogs and mimetics.
• Material Science: Potential monomer or cross-linking agent for creating functional polymers with specific ionic or binding properties.
• Academic & Industrial R&D: Employed in exploratory chemistry for discovering new compounds with biological activity.

Basic Information

Product Name	4'-Carboxyphenyl 4-Guanidinobenzoate
CAS No.	57438-36-5
Molecular Formula	C15H13N3O4
Molecular Weight	299.28 g/mol
Synonyms	4-Guanidinobenzoic Acid 4-Carboxyphenyl Ester; Benzoic acid, 4-guanidino-, 4-carboxyphenyl ester; 4-Carboxyphenyl 4-guanidinobenzoate; [4-(Carboxy)phenyl] 4-guanidinobenzoate; p-Carboxyphenyl p-guanidinobenzoate; 4'-Carboxy[1,1'-biphenyl]-4-yl 4-guanidinobenzoate (alternative representation); CPGB (common abbreviation); Guanidinobenzoate ester derivative
EINECS	Contact for details

Quality Control

Every batch of 4'-Carboxyphenyl 4-Guanidinobenzoate is manufactured under a strict quality management system and undergoes comprehensive analytical testing. We ensure high purity and batch-to-batch consistency through techniques including HPLC, NMR, and mass spectrometry. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles to meet your specific research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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