Description

Pyrido[4,3-D]Pyrimidine (7Ci,8Ci,9Ci) is a high-purity fused heterocyclic compound, serving as a critical advanced intermediate in modern organic synthesis. Its unique bicyclic structure makes it a valuable scaffold for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for lead compound optimization and process development.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing potential kinase inhibitors and other biologically active molecules.
• Agrochemical Research: Used in the development of new herbicides and fungicides due to its heterocyclic core.
• Material Science: Acts as a precursor for organic electronic materials and ligands in catalytic systems.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies.
• Chemical Library Synthesis: Employed in combinatorial chemistry to create diverse compound libraries for high-throughput screening.

Basic Information

Product Name	Pyrido[4,3-D]Pyrimidine (7Ci,8Ci,9Ci)
CAS No.	253-87-2
Molecular Formula	C7H5N3
Molecular Weight	131.14 g/mol
Synonyms	Pyrido[4,3-d]pyrimidine; 1,3,5-Triazanaphthalene; 1,5-Diazanaphthalene; 1,3,5-Triazanaphthalene; 1,3,5-Triazanaphthalene; 1,5-Diazanaphthalene; Pyrido[4,3-d]pyrimidine; 1,3,5-Triazanaphthalene
EINECS	205-975-8

Quality Control

Our Pyrido[4,3-D]Pyrimidine is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

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.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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