Description

4-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine is a high-purity, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its value lies in its fused pyrido-pyrimidine structure, which is a privileged scaffold for developing bioactive molecules with targeted properties. This intermediate is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe Development: Serves as a versatile scaffold for creating tool compounds to study biological pathways and protein functions.
• Material Science Research: Investigated as a potential monomer or ligand precursor for constructing functional organic materials and metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs and research organizations for bespoke synthesis projects requiring complex heterocyclic cores.

Basic Information

Product Name	4-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine
CAS No.	944901-77-3
Molecular Formula	C8H11N3
Molecular Weight	149.20 g/mol
Synonyms	4-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine; 4-Methyl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidine; Pyrido[4,3-d]pyrimidine, 5,6,7,8-tetrahydro-4-methyl-; 4-Methyl-5,6,7,8-tetrahydropyrido(4,3-d)pyrimidine; 944901-77-3; SCHEMBL218504; AKOS040759232; ZINC000003870756
EINECS	Contact for details

Quality Control

Our 4-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistent quality suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
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.