Description

7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,4-Dihydro-5-Methyl- (9Ci) is a heterocyclic organic compound belonging to the pyrazolopyrimidine class, serving as a key synthetic intermediate and pharmacologically active scaffold. Its molecular structure is of significant interest for the development of novel therapeutic agents, particularly in oncology and metabolic disease research. This high-purity building block is essential for pharmaceutical R&D laboratories, fine chemical synthesis, and academic institutions engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of targeted kinase inhibitors and other small-molecule drug candidates.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery.
• Biochemical Tool Compound: Serves as a reference standard or precursor for probes used in enzymatic and cellular assays.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to construct more complex heterocyclic systems.
• Academic & Contract Research: Utilized in university and CRO settings for fundamental research and custom synthesis projects.

Basic Information

Product Name	7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,4-Dihydro-5-Methyl- (9Ci)
CAS No.	55904-62-6
Molecular Formula	C6H6N4O
Molecular Weight	150.14 g/mol
Synonyms	5-Methyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; 1,4-Dihydro-5-methyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Methyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Methyl-1H-pyrazolo[4,3-d]pyrimidin-7(4H)-one; 5-Methyl-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Methyl-1H,4H,7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Methyl-7-oxo-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,4-Dihydro-5-Methyl- (9Ci) 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 high standards required for research and synthesis. 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, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to ensure optimal stability.

Specification

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