Description

1H-Pyrazolo[4,3-D]Pyrimidine (6Ci,8Ci,9Ci) is a high-value heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. This versatile intermediate is essential for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its role in creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of purine nucleoside analogs and other biologically active molecules with potential therapeutic applications.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its heterocyclic scaffold.
• Chemical Synthesis Building Block: Employed in organic synthesis for constructing complex fused pyrimidine and pyrazole ring systems.
• Biochemical Research: Serves as a core structure for enzyme inhibitors and probes in biochemical and pharmacological studies.
• Material Science: Investigated as a potential component in the synthesis of organic electronic materials and ligands for catalysis.

Basic Information

Product Name	1H-Pyrazolo[4,3-D]Pyrimidine (6Ci,8Ci,9Ci)
CAS No.	272-57-1
Molecular Formula	C5H4N4
Molecular Weight	120.11 g/mol
Synonyms	1H-Pyrazolo[4,3-d]pyrimidine; Pyrazolo[4,3-d]pyrimidine; 1H-Pyrazolo(4,3-d)pyrimidine; 1H-Pyrazolo[4,3-d]pyrimidine (9CI); 6CI-8CI-9CI; 272-57-1; NSC 51143; 1H-Pyrazolo[4,3-d]pyrimidine, 6CI,8CI,9CI
EINECS	205-983-6

Quality Control

Our 1H-Pyrazolo[4,3-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.