Description

Ethyl 8-Ethyl-5,6,7,8-Tetrahydro-2-Methoxy-5-Oxopyrido[2,3-D]Pyrimidine-6-Carboxylate is a high-purity, advanced pharmaceutical intermediate belonging to the pyridopyrimidine class of heterocyclic compounds. This compound is valued for its role as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in the development and production of novel drug candidates.

Application

• Pharmaceutical Intermediate: Serves as a key synthetic precursor in the multi-step synthesis of target drug molecules, especially within medicinal chemistry research and development.
• API Synthesis: Used in the construction of the core scaffold for potential APIs targeting various disease pathways, leveraging its fused pyridopyrimidine structure.
• Organic Synthesis Research: Employed in academic and industrial R&D laboratories for method development and the exploration of new chemical entities (NCEs).
• Fine Chemical Production: Integral to the manufacture of high-value, low-volume specialty chemicals where precise molecular control is required.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects under cGMP guidelines.

Basic Information

Product Name	Ethyl 8-Ethyl-5,6,7,8-Tetrahydro-2-Methoxy-5-Oxopyrido[2,3-D]Pyrimidine-6-Carboxylate
CAS No.	65269-20-7
Molecular Formula	C15H19N3O4
Molecular Weight	305.33 g/mol
Synonyms	Ethyl 8-ethyl-2-methoxy-5-oxo-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate; 6-Carbethoxy-8-ethyl-2-methoxy-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidin-5-one; Pyrido[2,3-d]pyrimidine-6-carboxylic acid, 8-ethyl-5,6,7,8-tetrahydro-2-methoxy-5-oxo-, ethyl ester; 65269-20-7; Ethyl 8-ethyl-5,6,7,8-tetrahydro-2-methoxy-5-oxopyrido[2,3-d]pyrimidine-6-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 8-Ethyl-5,6,7,8-Tetrahydro-2-Methoxy-5-Oxopyrido[2,3-D]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D and synthesis. Certificates of Analysis (COA) detailing batch-specific results are provided and can be tailored to meet specific project or regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.