Description

5-Chloropyrazolo[1,5-A]Pyrimidine-3-Carbaldehyde is a high-purity heterocyclic building block and key synthetic intermediate. This compound is valued for its versatile reactivity, particularly the aldehyde functional group, which enables its use in various coupling and derivatization reactions. It is primarily sought by researchers and manufacturers in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of potential drug candidates, especially in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive pyrazolopyrimidine core.
• Organic Synthesis Reagent: Serves as a versatile precursor for creating complex heterocyclic compounds through reactions like condensation, cyclization, and nucleophilic addition.
• Material Science Research: Investigated as a monomer or functional component in the design of advanced organic electronic materials.
• Chemical Biology Probe: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.

Basic Information

Product Name	5-Chloropyrazolo[1,5-A]Pyrimidine-3-Carbaldehyde
CAS No.	1256162-94-3
Molecular Formula	C7H4ClN3O
Molecular Weight	181.58 g/mol
Synonyms	5-Chloro-3-formylpyrazolo[1,5-a]pyrimidine; 5-Chloro-pyrazolo[1,5-a]pyrimidine-3-carboxaldehyde; 5-Chloro-1H-pyrazolo[1,5-a]pyrimidine-3-carbaldehyde; 1256162-94-3; 5-Chloro-3-pyrazolo[1,5-a]pyrimidinecarboxaldehyde; Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde, 5-chloro-
EINECS	Contact for details

Quality Control

Our 5-Chloropyrazolo[1,5-A]Pyrimidine-3-Carbaldehyde is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and production needs.

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 easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
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.