Description

7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,6-Dihydro-3-Methyl- (7Ci,9Ci) is a high-purity heterocyclic organic compound, CAS NO 5399-94-0, serving as a critical advanced pharmaceutical intermediate (API) and a versatile building block in medicinal chemistry. Its fused pyrazolo-pyrimidine core structure makes it a valuable scaffold for the research and development of novel therapeutic agents. This compound is essential for pharmaceutical R&D laboratories and fine chemical manufacturers focused on synthesizing purine analogs and other bioactive molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) targeting various disease pathways.
• Medicinal Chemistry Research: Core scaffold for designing and developing novel drug candidates, particularly purine and nucleoside analogs.
• Biochemical Reagent: Used in life science research as a substrate or inhibitor for studying enzymatic processes and cellular signaling.
• Fine Chemical Synthesis: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals and agrochemicals.
• Academic & Industrial R&D: Fundamental material for exploratory chemistry in university and corporate research laboratories.

Basic Information

Product Name	7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,6-Dihydro-3-Methyl- (7Ci,9Ci)
CAS No.	5399-94-0
Molecular Formula	C6H6N4O
Molecular Weight	150.14 g/mol
Synonyms	1,6-Dihydro-3-methyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; 3-Methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; 3-Methyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5399-94-0; Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-3-methyl-; 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-3-methyl-
EINECS	Contact for details

Quality Control

Our 7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 1,6-Dihydro-3-Methyl- (7Ci,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 to support your quality assurance and regulatory needs.

Storage

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

Specification

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