Description

3-Chloro-2-isopropyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one is a high-purity, advanced pharmaceutical intermediate belonging to the fused heterocyclic pyrazolotriazinone class. This compound is of significant commercial interest for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions, custom synthesis houses, and pharmaceutical manufacturers engaged in drug discovery and process development.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of target drug molecules, especially those with pyrazolotriazinone cores.
• Drug Discovery & Medicinal Chemistry: Used in research libraries and for constructing novel chemical entities (NCEs) during hit-to-lead and lead optimization phases.
• Agrochemical Research: Potential application as an intermediate in the development of new herbicides or insecticides, leveraging its heterocyclic structure.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for scale-up and GMP production of client-specific compounds.
• Chemical Biology Probes: Can be utilized to create tool compounds for studying biological pathways and target validation.

Basic Information

Product Name	3-Chloro-2-isopropyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one
CAS No.	1401319-28-5
Molecular Formula	C8H9ClN4O
Molecular Weight	212.64 g/mol
Synonyms	3-Chloro-2-(propan-2-yl)-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one; 1401319-28-5; 3-Chloro-2-isopropyl-5H-pyrazolo[1,5-d]-1,2,4-triazin-4-one; 5H-Pyrazolo[1,5-d][1,2,4]triazin-4-one, 3-chloro-2-(1-methylethyl)-; 3-Chloro-2-isopropylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-isopropyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to relevant quality management standards to support our global clientele in pharmaceutical and fine chemical sectors.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider conditions under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (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.