Description

5-Methoxy -Isatoic Anhydride CAS NO 37795-77-0 is a specialized heterocyclic organic compound belonging to the isatoic anhydride class, serving as a versatile and high-value building block in advanced chemical synthesis. Its core value lies in its reactive anhydride moiety, which facilitates efficient ring-opening and condensation reactions to construct complex molecular architectures. This intermediate is critically needed by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of quinazolinone and quinoline derivatives, which are core structures in various drug candidates.
• Agrochemical Synthesis: Used in the development of novel herbicides and fungicides, leveraging its heterocyclic framework.
• Dye and Pigment Manufacturing: Acts as a building block for creating specialized heterocyclic dyes and optical brighteners.
• Material Science Research: Employed in the synthesis of monomers for advanced polymers with specific thermal or optical properties.
• Chemical Biology Probes: Utilized to create fluorescent tags or enzyme inhibitors for biochemical research and diagnostics.

Basic Information

Product Name	5-Methoxy -Isatoic Anhydride
CAS No.	37795-77-0
Molecular Formula	C9H7NO4
Molecular Weight	193.16 g/mol
Synonyms	5-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione; 5-Methoxy-2H-3,1-benzoxazine-2,4(1H)-dione; 5-Methoxyisatoic Anhydride; 5-Methoxy-1,3-dihydro-2H-3,1-benzoxazine-2,4-dione; 2,4(1H,3H)-Benzoxazinedione, 5-methoxy-; Isatoic Anhydride, 5-Methoxy-; 5-Methoxy-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione
EINECS	Contact for details

Quality Control

Our 5-Methoxy -Isatoic Anhydride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure compliance with exacting industry standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	205 - 210 °C
Heavy Metals	≤ 20 ppm

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