Description

(2,5,6-Trimethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid is a high-purity, advanced pharmaceutical intermediate with a distinct heterocyclic structure. 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. Pharmaceutical R&D teams and fine chemical manufacturers need this material for developing next-generation drug candidates with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in oncology and antiviral research.
• Organic Synthesis Building Block: Used in medicinal chemistry for constructing complex thienopyrimidine-based scaffolds.
• Biochemical Research: Serves as a reference standard or investigational compound in pharmacological studies.
• Agrochemical Development: Potential use in the research and synthesis of new crop protection agents.
• Material Science Research: Exploration of its properties for potential applications in organic electronic materials.

Basic Information

Item	Details
Product Name	(2,5,6-Trimethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid
CAS No.	626205-90-1
Molecular Formula	C11H12N2O2S2
Molecular Weight	268.36 g/mol
Synonyms	4-[(Carboxymethyl)thio]-2,5,6-trimethylthieno[2,3-d]pyrimidine; 2,5,6-Trimethyl-4-sulfanylacetic acid-thieno[2,3-d]pyrimidine; (2,5,6-Trimethylthieno[2,3-d]pyrimidin-4-ylsulfanyl)acetic acid; Thienopyrimidine acetic acid derivative; TMTPA; CAS 626205-90-1
EINECS	Contact for details

Quality Control

Our production of (2,5,6-Trimethyl-Thieno[2,3-D]Pyrimidin-4-Ylsulfanyl)-Acetic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the exacting standards required for pharmaceutical R&D. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and compliance.

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. For long-term storage, consider an inert atmosphere to ensure optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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