Description

Pyrido[2,3-D]Pyrimidin-4(3H)-One, 2-Chloro- is a high-value heterocyclic building block and key synthetic intermediate in advanced organic chemistry. This compound is critical for researchers and manufacturers developing novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily utilized by the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of complex molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of kinase inhibitors and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Serves as a key building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe Development: Used in medicinal chemistry to create tool compounds for studying enzyme function and signaling pathways.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized, high-value chemical entities.
• Academic & R&D: A valuable reagent for university and institutional research in synthetic organic chemistry and heterocyclic chemistry.

Basic Information

Item	Detail
Product Name	Pyrido[2,3-D]Pyrimidin-4(3H)-One, 2-Chloro-
CAS No.	93049-38-8
Molecular Formula	C7H4ClN3O
Molecular Weight	181.58 g/mol
Synonyms	2-Chloropyrido[2,3-d]pyrimidin-4(3H)-one; 2-Chloro-3H-pyrido[2,3-d]pyrimidin-4-one; 2-Chloro-4H-pyrido[2,3-d]pyrimidin-4-one; 2-Chloro-4-oxo-3,4-dihydropyrido[2,3-d]pyrimidine; 2-Chloro-4-oxo-3,4-dihydro-pyrido[2,3-d]pyrimidine; 2-Chloro-3,4-dihydropyrido[2,3-d]pyrimidin-4-one; 2-Chloro-4(3H)-pyrido[2,3-d]pyrimidinone
EINECS	Contact for details

Quality Control

Our Pyrido[2,3-D]Pyrimidin-4(3H)-One, 2-Chloro- is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications 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, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
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.