Description

Propyl 2-Amino-4-(4-tert-Butylphenyl)-5-Methylthiophene-3-Carboxylate is a high-purity, synthetically valuable organic intermediate featuring a functionalized thiophene core. This compound matters for its role as a critical building block in the synthesis of advanced materials and active pharmaceutical ingredients (APIs), where its specific molecular architecture enables precise chemical modifications. It is primarily needed by research institutions, fine chemical manufacturers, and pharmaceutical development companies engaged in creating novel heterocyclic compounds, specialty polymers, and complex organic molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the research and synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Material Science Research: Used in the development of advanced organic electronic materials, such as organic semiconductors and conductive polymers, due to its thiophene backbone.
• Agrochemical Synthesis: Acts as a building block for creating new crop protection agents and specialty agrochemicals.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized dyes and pigments where the aminothiophene moiety contributes to color and stability properties.
• Ligand and Catalyst Development: Utilized in organometallic chemistry for the preparation of novel ligands and catalysts.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.

Basic Information

Product Name	Propyl 2-Amino-4-(4-tert-Butylphenyl)-5-Methylthiophene-3-Carboxylate
CAS No.	904998-63-6
Molecular Formula	C19H25NO2S
Molecular Weight	331.47 g/mol
Synonyms	2-Amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxylic acid propyl ester; Propyl 2-amino-4-(p-tert-butylphenyl)-5-methyl-3-thiophenecarboxylate; 5-Methyl-4-(4-tert-butylphenyl)-2-aminothiophene-3-carboxylic acid propyl ester; 904998-63-6; 4-(4-tert-Butylphenyl)-5-methyl-2-aminothiophene-3-carboxylic acid propyl ester
EINECS	Contact for details

Quality Control

Every batch of Propyl 2-Amino-4-(4-tert-Butylphenyl)-5-Methylthiophene-3-Carboxylate is manufactured under strict quality management systems. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.