Description

3H-Pyrazolo[4,3-E][1,2,4]Triazin-3-One, 1,2-Dihydro-1-Methyl- is a high-purity heterocyclic organic compound, identified by CAS number 888490-32-2, serving as a critical advanced pharmaceutical intermediate. Its value lies in its role as a sophisticated building block for the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals. This product is essential for research and development chemists, process chemists, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new therapeutic or crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and antiviral research.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with targeted modes of action.
• Chemical Biology Probe: Serves as a core scaffold for designing molecular probes to study enzyme function and biological pathways.
• Material Science Research: Potential precursor for the development of specialty polymers or organic electronic materials.
• Process Development & Scale-Up: Utilized in optimizing synthetic routes from laboratory to pilot plant and commercial production scales.
• Contract Research & Manufacturing (CRO/CMO): Supplied to service organizations supporting drug discovery and development programs for global clients.

Basic Information

Product Name	3H-Pyrazolo[4,3-E][1,2,4]Triazin-3-One, 1,2-Dihydro-1-Methyl-
CAS No.	888490-32-2
Molecular Formula	C5H5N5O
Molecular Weight	151.13 g/mol
Synonyms	1-Methyl-1,2-dihydro-3H-pyrazolo[4,3-e][1,2,4]triazin-3-one; 1-Methyl-1H-pyrazolo[4,3-e][1,2,4]triazin-3(2H)-one; 888490-32-2; Pyrazolotriazinone derivative; 1-Methyl-DHPT; 1-Methyl-1,2-dihydropyrazolo[4,3-e][1,2,4]triazin-3-one
EINECS	Contact for details

Quality Control

Every batch of 3H-Pyrazolo[4,3-E][1,2,4]Triazin-3-One, 1,2-Dihydro-1-Methyl- is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and conformity to agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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