Description

5-Amino-3-Methyl-4-p-Tolylcarbamoyl-Thiophene-2-Carboxylic Acid Ethyl Ester is a high-purity, multi-functional thiophene derivative with significant synthetic utility. This compound serves as a versatile and critical pharmaceutical intermediate for the development of novel active ingredients. It is primarily sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced material sectors for constructing complex heterocyclic scaffolds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive thiophene core.
• Organic Synthesis Reagent: Employed in academic and industrial research for constructing complex molecules and exploring new chemical reactions.
• Material Science Precursor: Potential starting material for the synthesis of organic semiconductors, dyes, and photoactive materials.
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development and quality control in chemical production.

Basic Information

Product Name	5-Amino-3-Methyl-4-p-Tolylcarbamoyl-Thiophene-2-Carboxylic Acid Ethyl Ester
CAS No.	862655-30-9
Molecular Formula	C16H18N2O3S
Molecular Weight	318.39 g/mol
Synonyms	Ethyl 5-Amino-3-methyl-4-[(4-methylphenyl)carbamoyl]thiophene-2-carboxylate; 5-Amino-3-methyl-4-(p-tolylcarbamoyl)thiophene-2-carboxylic acid ethyl ester; 4-[(4-Methylphenyl)carbamoyl]-5-amino-3-methylthiophene-2-carboxylic Acid Ethyl Ester; 862655-30-9; Thiophene-2-carboxylic acid, 5-amino-3-methyl-4-[(4-methylphenyl)carbamoyl]-, ethyl ester
EINECS	Contact for details

Quality Control

Our production of 5-Amino-3-Methyl-4-p-Tolylcarbamoyl-Thiophene-2-Carboxylic Acid Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your critical synthesis work. Each lot is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.