Description

2-(Methylthio)Pyrido[2,3-D]Pyrimidin-7(8H)-One is a high-purity heterocyclic organic compound serving as a critical advanced intermediate in pharmaceutical synthesis. Its unique pyridopyrimidine scaffold makes it a valuable building block for developing novel active pharmaceutical ingredients (APIs) with targeted therapeutic effects. This compound is primarily sought by research institutions and pharmaceutical manufacturers engaged in the development of kinase inhibitors and other small-molecule drugs.

Application

• Key synthetic intermediate in the research and development of pharmaceutical candidates, particularly kinase inhibitors.
• Building block for constructing complex heterocyclic compounds in medicinal chemistry programs.
• Precursor in the synthesis of potential anticancer and antiviral agents targeting specific biological pathways.
• Used in academic and industrial R&D for structure-activity relationship (SAR) studies.
• Intermediate for producing custom fine chemicals and specialized reagents for biochemical research.

Basic Information

Product Name	2-(Methylthio)Pyrido[2,3-D]Pyrimidin-7(8H)-One
CAS No.	211244-81-4
Molecular Formula	C8H7N3OS
Molecular Weight	193.22 g/mol
Synonyms	2-(Methylthio)-7,8-dihydropyrido[2,3-d]pyrimidin-7-one; 2-(Methylsulfanyl)-8H-pyrido[2,3-d]pyrimidin-7-one; 2-Methylsulfanyl-8H-pyrido[2,3-d]pyrimidin-7-one; 2-(Methylthio)-7,8-dihydro-7-oxopyrido[2,3-d]pyrimidine; 2-Methylmercaptopyrido[2,3-d]pyrimidin-7(8H)-one; CAS 211244-81-4
EINECS	Contact for details

Quality Control

Our production of 2-(Methylthio)Pyrido[2,3-D]Pyrimidin-7(8H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Any single impurity ≤ 1.0%
Total Impurities	≤ 3.0%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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