Description

Afd 21 CAS NO 99465-44-8 is a specialized chemical compound designed for advanced industrial and research applications. This product is valued for its specific reactivity and performance characteristics, making it a critical component in sophisticated synthesis and formulation processes. It is primarily utilized by the pharmaceutical, agrochemical, and specialty chemical industries where high-purity intermediates are required for the development of novel compounds and active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Acts as a precursor or reagent in the creation of specialty chemicals, dyes, and pigments.
• Material Science Research: Employed in R&D for developing novel polymers, coatings, and advanced functional materials.
• Laboratory Reagent: Utilized as a high-purity standard or reagent in analytical chemistry and method development.

Basic Information

Product Name	Afd 21
CAS No.	99465-44-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Afd-21; AFD 21; 99465-44-8; Afd 21 compound; 2,4-Difluoro-5-nitrobenzoic acid (probable based on CAS); 5-Nitro-2,4-difluorobenzoic acid; Benzoic acid, 2,4-difluoro-5-nitro-; Intermediate for Sartan drugs (potential)
EINECS	Contact for details

Quality Control

Our Afd 21 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality standards are designed to meet the rigorous demands of GMP and ISO-guided environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain product integrity.

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.