Description

5-Nitroisatoic Anhydride is a specialized organic chemical intermediate characterized by its anhydride functional group and nitro substituent. This compound is valued for its role as a key building block in the synthesis of more complex heterocyclic structures, particularly quinazolinones and other nitrogen-containing fused ring systems. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various quinazolinone derivatives, which are scaffolds for drugs with potential anticancer, antimicrobial, and anti-inflammatory activities.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its nitro-aromatic chemistry.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing azo dyes and other complex colorants due to its reactive anhydride group and aromatic nitro functionality.
• Organic Synthesis & Research: Employed in academic and industrial R&D labs as a versatile building block for constructing complex heterocycles and for studying nitration and cyclization reactions.
• Material Science: Investigated for the preparation of specialized polymers and advanced organic materials that require specific aromatic anhydride components.

Basic Information

Product Name	5-Nitroisatoic Anhydride
CAS No.	4693-02-1
Molecular Formula	C8H4N2O5
Molecular Weight	208.13 g/mol
Synonyms	5-Nitro-1H-3,1-benzoxazine-2,4-dione; 5-Nitro-2H-3,1-benzoxazine-2,4(1H)-dione; 5-Nitro-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione; Isatoic Anhydride, 5-nitro-; 5-Nitroisatoic acid anhydride; 2,4(1H,3H)-Benzoxazinedione, 5-nitro-; 5-Nitro-1,3-dihydro-2H-3,1-benzoxazine-2,4-dione
EINECS	225-162-4

Quality Control

Our 5-Nitroisatoic Anhydride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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