Description

1,5-Dihydro-4H-Pyrazolo[3,4-D]Pyrimidin-4-One, Monosodium Salt is a high-purity, specialized heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its value lies in providing a reliable and consistent source of a complex pyrazolopyrimidinone core structure for research and development. This product is essential for pharmaceutical chemists and researchers in the life sciences sector who are developing novel therapeutic agents, particularly kinase inhibitors and other small-molecule drugs.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development of active pharmaceutical ingredients (APIs), especially for targeted cancer therapies.
• Biochemical Research: Used as a reference standard or a starting material in medicinal chemistry programs for structure-activity relationship (SAR) studies.
• Kinase Inhibitor Development: The pyrazolopyrimidinone scaffold is a privileged structure in the design of potent and selective kinase inhibitors.
• Organic Synthesis Building Block: Employed in multi-step synthetic routes to construct more complex nitrogen-containing heterocycles.
• Contract Research & Manufacturing (CRAM): Supplied to organizations engaged in custom synthesis and process development for clinical trial materials.

Basic Information

Product Name	1,5-Dihydro-4H-Pyrazolo[3,4-D]Pyrimidin-4-One, Monosodium Salt
CAS No.	17795-21-0
Molecular Formula	C5H3N4O•Na
Molecular Weight	158.10 g/mol
Synonyms	4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-, monosodium salt; Sodium 1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-onate; Pyrazolo[3,4-d]pyrimidin-4(5H)-one, sodium salt; Allopurinol sodium salt (Note: Allopurinol is a related but distinct compound; this is a common search alias); 1H-Pyrazolo[3,4-d]pyrimidin-4-ol, sodium salt; Monosodium 1,5-dihydro-4-oxo-4H-pyrazolo[3,4-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 1,5-Dihydro-4H-Pyrazolo[3,4-D]Pyrimidin-4-One, Monosodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical research. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at controlled room temperature (15-25°C). For long-term storage, consider desiccated conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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