Description

5-Nitrophthalazin-1(2H)-One is a high-purity nitrated heterocyclic compound serving as a critical advanced intermediate in organic synthesis. Its value lies in providing a functionalized phthalazinone scaffold essential for constructing complex molecules with targeted biological or material properties. This product is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides that require a nitrated heterocyclic core.
• Material Science: Serves as a precursor for creating specialized dyes, pigments, or photoactive compounds.
• Chemical Synthesis: A versatile reagent for introducing the 5-nitro-phthalazinone moiety into more complex molecular architectures via further functionalization.
• Academic & R&D: Employed in university and corporate research laboratories for methodological studies and exploring new chemical reactions.

Basic Information

Product Name	5-Nitrophthalazin-1(2H)-One
CAS No.	89898-93-1
Molecular Formula	C8H5N3O3
Molecular Weight	191.14 g/mol
Synonyms	5-Nitrophthalazin-1(2H)-one; 5-Nitro-1(2H)-phthalazinone; 5-Nitro-2H-phthalazin-1-one; 1-Hydroxy-5-nitrophthalazine; 5-Nitro-1-phthalazinone; 89898-93-1; 5-Nitrophthalazinone
EINECS	Contact for details

Quality Control

Our 5-Nitrophthalazin-1(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, minimize exposure during handling.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.