Description

Ethyl 7-Amino-5-Hydroxypyrazolo[1,5-A]Pyrimidine-3-Carboxylate is a high-purity heterocyclic building block and pharmaceutical intermediate of significant commercial importance. This compound is valued for its role as a key synthon in the synthesis of complex molecules, particularly in medicinal chemistry. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development and production of advanced pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Chemical Synthesis: Serves as a versatile precursor for constructing more complex fused pyrazolopyrimidine derivatives in organic chemistry.
• Material Science Research: Investigated for potential applications in creating specialty chemicals and functional materials with unique electronic properties.
• Bioconjugate Chemistry: The reactive amino and carboxylate ester groups make it suitable for conjugation reactions in probe and linker molecule development.

Basic Information

Product Name	Ethyl 7-Amino-5-Hydroxypyrazolo[1,5-A]Pyrimidine-3-Carboxylate
CAS No.	90674-09-2
Molecular Formula	C9H10N4O3
Molecular Weight	222.20 g/mol
Synonyms	7-Amino-5-hydroxy-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; Ethyl 7-amino-5-hydroxy-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; 5-Hydroxy-7-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; 90674-09-2; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 7-amino-5-hydroxy-, ethyl ester; Ethyl 5-hydroxy-7-aminopyrazolo[1,5-a]pyrimidine-3-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 7-Amino-5-Hydroxypyrazolo[1,5-A]Pyrimidine-3-Carboxylate 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 research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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