Description

4-Chloro-7,8-Dihydro-5H-Pyrano[4,3-D]Pyrimidine is a high-value heterocyclic building block and key synthetic intermediate. This compound is essential for medicinal chemistry research and the development of novel active pharmaceutical ingredients (APIs). It is primarily sought after by pharmaceutical R&D departments, agrochemical innovators, and fine chemical manufacturers for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery.
• Agrochemical Development: Used in the research and production of advanced crop protection chemicals and fungicides.
• Fine Chemical Synthesis: Employed as a specialized building block for creating complex, high-value organic molecules.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying biological pathways and target engagement.

Basic Information

Product Name	4-Chloro-7,8-Dihydro-5H-Pyrano[4,3-D]Pyrimidine
CAS No.	1260671-77-9
Molecular Formula	C7H7ClN2O
Molecular Weight	170.60 g/mol
Synonyms	4-Chloro-5H,7H,8H-pyrano[4,3-d]pyrimidine; 4-Chloro-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine; 4-Chloro-5H-pyrano[4,3-d]pyrimidine; 4-Chloro-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine; 1260671-77-9; 4-Chloro-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine; Pyrano[4,3-d]pyrimidine, 4-chloro-7,8-dihydro-5H-
EINECS	Contact for details

Quality Control

Our 4-Chloro-7,8-Dihydro-5H-Pyrano[4,3-D]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance protocols.

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). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (HPLC)	Conforms
Identification (NMR)	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.