Description

(2,5,6-Trimethyl-4-Oxo-4H-Thieno[2,3-D]Pyrimidin-3-Yl)-Acetic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its unique thienopyrimidine scaffold. This compound is of significant commercial interest for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new therapeutic and crop protection agents.

Application

This specialized intermediate is engineered for high-value synthesis applications, serving as a key precursor in several advanced chemical processes.

• Pharmaceutical Intermediate: A crucial building block for the research and development of new drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Synthesis: Used in the creation of novel herbicides and fungicides, leveraging its heterocyclic structure for biological activity.
• Organic Synthesis & Research: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and studying structure-activity relationships (SAR).
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development and quality control in API manufacturing.

Basic Information

Product Name	(2,5,6-Trimethyl-4-Oxo-4H-Thieno[2,3-D]Pyrimidin-3-Yl)-Acetic Acid
CAS No.	878657-12-6
Molecular Formula	C13H14N2O3S
Molecular Weight	278.33 g/mol
Synonyms	4H-Thieno[2,3-d]pyrimidine-3-acetic acid, 2,5,6-trimethyl-4-oxo-; 2,5,6-Trimethyl-4-oxo-4H-thieno[2,3-d]pyrimidine-3-acetic acid; 3-Carboxymethyl-2,5,6-trimethyl-4-oxo-4H-thieno[2,3-d]pyrimidine; Thienopyrimidine acetic acid derivative; CAS 878657-12-6
EINECS	Contact for details

Quality Control

Our production of (2,5,6-Trimethyl-4-Oxo-4H-Thieno[2,3-D]Pyrimidin-3-Yl)-Acetic Acid adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

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