Description

1H-Pyrazolo[4,3-D]Pyrimidine, 5-Chloro- is a high-value heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This specialized intermediate is essential for research and development in life sciences, enabling the creation of novel molecular architectures. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers focused on developing new active pharmaceutical ingredients (APIs) and other biologically active compounds.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly in kinase inhibitor programs.
• Agrochemical Research: Used in the synthesis of advanced active ingredients for crop protection and pest management.
• Chemical Biology Probe Development: Serves as a core scaffold for creating tool compounds to study biological pathways and protein functions.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex heterocyclic systems.
• Material Science Research: Investigated as a precursor for specialty polymers or organic electronic materials due to its fused ring structure.

Basic Information

Product Name	1H-Pyrazolo[4,3-D]Pyrimidine, 5-Chloro-
CAS No.	633328-98-0
Molecular Formula	C5H3ClN4
Molecular Weight	154.56 g/mol
Synonyms	5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine; 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 1H-Pyrazolo[4,3-D]Pyrimidine, 5-Chloro- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements for research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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