Description

Methyl 9-Methyl-4-Oxo-4H-Pyrido[1,2-A]Thieno[2,3-D]Pyrimidine-2-Carboxylate is a high-purity, advanced pharmaceutical intermediate with a complex fused heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new drug candidates.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, especially in oncology and antiviral research.
• Organic Synthesis Building Block: Used in medicinal chemistry for constructing complex fused pyrido-thieno-pyrimidine ring systems.
• Research & Development (R&D): Essential for academic and industrial R&D labs exploring new heterocyclic compounds with potential biological activity.
• Contract Manufacturing (CMO): Supplied to contract manufacturing organizations for scale-up and production under cGMP guidelines.
• Chemical Reference Standard: Can be supplied as a high-purity standard for analytical method development and quality control.

Basic Information

Product Name	Methyl 9-Methyl-4-Oxo-4H-Pyrido[1,2-A]Thieno[2,3-D]Pyrimidine-2-Carboxylate
CAS No.	1086386-55-1
Molecular Formula	C13H10N2O3S
Molecular Weight	274.29 g/mol
Synonyms	Methyl 9-methyl-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylate; 9-Methyl-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylic acid methyl ester; 1086386-55-1; Pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylate derivative; Fused tricyclic pyrimidine ester
EINECS	Contact for details

Quality Control

Our production of Methyl 9-Methyl-4-Oxo-4H-Pyrido[1,2-A]Thieno[2,3-D]Pyrimidine-2-Carboxylate adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support development and commercial projects requiring material produced under cGMP guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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