Description

El 494 (CAS NO 59489-59-7) is a high-purity specialty chemical compound designed for advanced research and industrial synthesis. This product is valued for its consistent quality and reliable performance in sensitive applications where purity is paramount. It serves as a critical intermediate or reagent for pharmaceutical development, agrochemical research, and advanced material science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Research: Serves as a key building block in the development of novel pesticides, herbicides, and plant growth regulators.
• Material Science: Employed in the research and production of specialty polymers, liquid crystals, or electronic chemicals.
• Organic Synthesis: Acts as a versatile reagent or precursor in multi-step synthetic routes for fine chemicals.
• Academic & Industrial R&D: Utilized in laboratory-scale research for method development and discovery chemistry.

Basic Information

Product Name	El 494
CAS No.	59489-59-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	EL-494; 59489-59-7; El 494; EL494; 1,3-Benzenedicarboxylic acid, 5-(1,1-dimethylethyl)-, 1,3-dimethyl ester (possible based on common naming); tert-Butyl isophthalic acid dimethyl ester derivative; Dimethyl 5-tert-butylisophthalate (possible IUPAC)
EINECS	Contact for details

Quality Control

Our El 494 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial use. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are 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 room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider conditions under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.