Description

A77 1726 is a high-purity, specialized chemical compound identified by CAS No. 163451-81-8. This product is valued for its role as a key intermediate in advanced pharmaceutical synthesis and organic chemistry research. It is primarily sought by R&D laboratories and manufacturing units in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis: Serves as a versatile reagent or precursor for constructing complex heterocyclic and aromatic compounds in academic and industrial research.
• Material Science: Potential application in the synthesis of specialty polymers and advanced organic electronic materials.
• Biochemical Tool Compound: May be utilized in biochemical assays and as a probe for studying specific biological pathways.

Basic Information

Product Name	A77 1726
CAS No.	163451-81-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	A77-1726; A771726; 6-Cyano-7-ethoxy-4-methyl-2H-chromen-2-one; 6-Cyano-7-ethoxy-4-methylcoumarin; 7-Ethoxy-6-cyano-4-methylcoumarin; 4-Methyl-7-ethoxy-6-cyanocoumarin; Teriflunomide Impurity; Leflunomide Related Compound
EINECS	Contact for details

Quality Control

Our A77 1726 is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support your quality assurance and regulatory compliance needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
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.