Description

Ethyl 2-(3-Methoxybenzylidene)-5-(4-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate is a high-purity, advanced pharmaceutical intermediate belonging to the thiazolopyrimidine class of heterocyclic compounds. This compound matters for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily needed by R&D laboratories, process chemists, and manufacturers in the global pharmaceutical and agrochemical industries for developing new drug candidates and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key synthetic precursor for the development of novel thiazolopyrimidine-based drug candidates.
• API Synthesis: Serves as a core scaffold in the research and production of potential Active Pharmaceutical Ingredients (APIs).
• Medicinal Chemistry R&D: Used in structure-activity relationship (SAR) studies and lead optimization processes in drug discovery.
• Agrochemical Research: Investigated as an intermediate for developing new crop protection agents and pesticides.
• Chemical Biology: Employed as a molecular probe or tool compound in biochemical and pharmacological research.
• Custom Synthesis: Sourced by fine chemical manufacturers for bespoke synthesis projects and contract manufacturing.

Basic Information

Product Name	Ethyl 2-(3-Methoxybenzylidene)-5-(4-Methoxyphenyl)-7-Methyl-3-Oxo-2,3-Dihydro-5H-[1,3]Thiazolo[3,2-A]Pyrimidine-6-Carboxylate
CAS No.	313068-33-6
Molecular Formula	C25H24N2O5S
Molecular Weight	464.54 g/mol
Synonyms	Ethyl 2-(3-methoxybenzylidene)-5-(4-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate; 5H-[1,3]Thiazolo[3,2-a]pyrimidine-6-carboxylic acid, 2-(3-methoxybenzylidene)-5-(4-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-, ethyl ester; CAS 313068-33-6; Thiazolopyrimidine derivative; 6-Carboxyethyl thiazolopyrimidine intermediate.
EINECS	Contact for details

Quality Control

Our Ethyl 2-(3-Methoxybenzylidene)-5-(4-Methoxyphenyl)-7-Methyl-3-Oxo-2,3-Dihydro-5H-[1,3]Thiazolo[3,2-A]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed to protect from moisture.

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%
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.