Description

5-Hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol is a high-purity heterocyclic organic compound belonging to the fused triazolopyrimidine class. This versatile chemical building block is valued for its unique molecular architecture, which serves as a critical scaffold in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and plant growth regulators with enhanced efficacy and selectivity.
• Chemical Synthesis Building Block: Employed in organic synthesis to construct complex nitrogen-containing heterocycles for material science and catalysis applications.
• Biochemical Probe Development: Serves as a starting material for creating molecular probes and inhibitors to study enzyme function and biological pathways.
• Academic & Industrial R&D: Utilized in research laboratories for method development and exploring new chemical entities (NCEs) across multiple disciplines.

Basic Information

Product Name	5-Hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
CAS No.	40775-75-5
Molecular Formula	C5H4N4O2
Molecular Weight	152.11 g/mol
Synonyms	5-Hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-7-one; 7-Hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-5-ol; [1,2,4]Triazolo[1,5-a]pyrimidine-5,7-diol; 5,7-Dihydroxy[1,2,4]triazolo[1,5-a]pyrimidine; 1,2,4-Triazolo[1,5-a]pyrimidine-5,7-diol; 5-Hydroxy-7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one; 5,7-Dihydroxy-1,2,4-triazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.