Description

4H-Pyrazolo[3,4-D]Pyrimidin-4-One, 1,2-Dihydro- (9Ci) is a high-purity heterocyclic organic compound, identified by CAS NO 73334-58-4, that serves as a critical advanced pharmaceutical intermediate. Its value lies in its role as a sophisticated building block for the synthesis of complex molecules, particularly in medicinal chemistry. This product is essential for research and development teams in the pharmaceutical, agrochemical, and fine chemical industries who require reliable, high-quality intermediates for drug discovery and process development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other targeted therapies.
• Medicinal Chemistry Research: Used as a core scaffold in drug discovery programs for designing and optimizing new chemical entities with potential biological activity.
• Agrochemical Development: Serves as a building block for creating novel compounds with potential herbicidal or pesticidal properties.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to construct complex heterocyclic systems for specialty chemicals.
• Biochemical Tool Compound: Can be utilized in biochemical assays and as a reference standard for analytical method development.

Basic Information

Product Name	4H-Pyrazolo[3,4-D]Pyrimidin-4-One, 1,2-Dihydro- (9Ci)
CAS No.	73334-58-4
Molecular Formula	C5H4N4O
Molecular Weight	136.11 g/mol
Synonyms	1,2-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one; 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,2-dihydro-; 1H-Pyrazolo[3,4-d]pyrimidin-4(2H)-one; 1,2-Dihydropyrazolo[3,4-d]pyrimidin-4-one; Pyrazolo[3,4-d]pyrimidin-4(1H)-one; 4-Hydroxy-1H-pyrazolo[3,4-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4H-Pyrazolo[3,4-D]Pyrimidin-4-One, 1,2-Dihydro- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.