Description

7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 3,4-Dihydro- (9Ci) is a high-purity heterocyclic organic compound, identified by CAS NO 161746-78-7, serving as a critical advanced pharmaceutical intermediate and a versatile scaffold in medicinal chemistry research. Its fused pyrazolo-pyrimidine core structure makes it a valuable building block for the synthesis of novel bioactive molecules targeting various therapeutic areas. This compound is primarily utilized by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential kinase inhibitors and other small-molecule drug candidates.
• Medicinal Chemistry Research: Core scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Building block for research into new herbicides, fungicides, or plant growth regulators.
• Biochemical Tool Compound: Used in enzymatic assays and as a probe to study biological pathways.
• Organic Synthesis: Versatile starting material for synthesizing more complex heterocyclic systems and fine chemicals.

Basic Information

Product Name	7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 3,4-Dihydro- (9Ci)
CAS No.	161746-78-7
Molecular Formula	C5H4N4O
Molecular Weight	136.11 g/mol
Synonyms	3,4-Dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 3,4-dihydro-; 3,4-Dihydropyrazolo[4,3-d]pyrimidin-7-one; Pyrazolo[4,3-d]pyrimidin-7(6H)-one, 3,4-dihydro-; 1H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one, 3,4-dihydro-; 161746-78-7 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 3,4-Dihydro- (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles, generated using validated analytical methods such as HPLC, NMR, and MS. We support cGMP compliance for advanced intermediates and can provide material for regulatory filings upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed in a dry environment. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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