Description

5,6,7,8-Tetrahydropyrido[3,4-D]Pyrimidine CAS NO 781595-43-5 is a heterocyclic organic compound featuring a fused pyridine and pyrimidine ring system. This specialized chemical building block is of significant value in modern pharmaceutical research and development. It is primarily sought after by medicinal chemists and R&D teams in the pharmaceutical and agrochemical industries for the synthesis of novel active compounds.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development of new drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Medicinal Chemistry Research: Used as a core scaffold or building block for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Synthesis: Serves as an intermediate in the research and production of advanced crop protection agents and pesticides.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects requiring this specific heterocyclic framework.

Basic Information

Product Name	5,6,7,8-Tetrahydropyrido[3,4-D]Pyrimidine
CAS No.	781595-43-5
Molecular Formula	C7H9N3
Molecular Weight	135.17 g/mol
Synonyms	5,6,7,8-Tetrahydro-1H-pyrido[3,4-d]pyrimidine; 1H-Pyrido[3,4-d]pyrimidine, 5,6,7,8-tetrahydro-; 5,6,7,8-Tetrahydro-pyrido[3,4-d]pyrimidine; Pyrido[3,4-d]pyrimidine, 5,6,7,8-tetrahydro-; 781595-43-5; AKOS005258594; SCHEMBL15450297; ZINC000004173756
EINECS	Contact for details

Quality Control

Our 5,6,7,8-Tetrahydropyrido[3,4-D]Pyrimidine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, 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 (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

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