Description

7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 5-Amino-3,4-Dihydro- (9Ci) is a high-purity heterocyclic organic compound serving as a critical advanced pharmaceutical intermediate. This compound matters for its role in the synthesis of complex active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. Pharmaceutical R&D and fine chemical synthesis companies need this material to develop and scale up production of next-generation drugs.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting kinase inhibition.
• Biochemical Research: Used as a core scaffold in medicinal chemistry for structure-activity relationship (SAR) studies.
• Organic Synthesis: Serves as a versatile precursor for constructing complex fused pyrazolo-pyrimidine derivatives.
• Agrochemical Development: Potential intermediate in the research and development of new crop protection agents.
• Material Science Research: Investigated for its potential in creating novel organic electronic materials or ligands for catalysis.

Basic Information

Product Name	7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 5-Amino-3,4-Dihydro- (9Ci)
CAS No.	369598-74-3
Molecular Formula	C5H5N5O
Molecular Weight	151.13 g/mol
Synonyms	5-Amino-3,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Amino-4,7-dihydro-3H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Amino-4,5-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Amino-4,7-dihydropyrazolo[4,3-d]pyrimidin-7-one; 369598-74-3; 5-Amino-4,7-dihydro-3H-pyrazolo[4,3-d]pyrimidin-7-one; 5-Amino-3,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (9CI)
EINECS	Contact for details

Quality Control

Our 7H-Pyrazolo[4,3-D]Pyrimidin-7-One, 5-Amino-3,4-Dihydro- (9Ci) 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 R&D and synthesis. Certificates of Analysis (COA) documenting all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is light-sensitive and should be stored away from light. Keep container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
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.