Description

Esi-08 is a high-purity specialty chemical intermediate identified by CAS No. 301177-43-5. This compound is valued for its role as a critical building block in advanced organic synthesis, enabling the production of complex molecules with high specificity. It is essential for research and development laboratories and manufacturing units in the pharmaceutical, agrochemical, and advanced material sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or functionalizing agent in the creation of specialty polymers and advanced organic materials.
• Organic Synthesis: A versatile building block for constructing complex heterocyclic compounds and other fine chemicals in R&D settings.
• Chemical Research: Employed in academic and industrial laboratories for method development and exploratory synthesis projects.

Basic Information

Product Name	Esi-08
CAS No.	301177-43-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	ES-08; ESI 08; 301177-43-5; Esi08; ESI-08 Intermediate; 5-(4-Fluorophenyl)-1H-pyrrole-3-carboxylic acid ethyl ester (Typical structure class example); Fluorophenyl pyrrole carboxylate
EINECS	Contact for details

Quality Control

Our Esi-08 is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	≤ 0.5%

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