Description

2-(Isopropylthio)-5,6-Dimethylthieno[2,3-D]Pyrimidin-4-Amine is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique thienopyrimidine core imparts specific biological activity. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to innovate new molecular entities.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of potential drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic structure.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct novel molecular architectures for material science or chemical biology.
• Biochemical Tool Compound: Potential use in the development of probes for studying enzymatic or cellular pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific research and scale-up projects.

Basic Information

Product Name	2-(Isopropylthio)-5,6-Dimethylthieno[2,3-D]Pyrimidin-4-Amine
CAS No.	433701-69-0
Molecular Formula	C11H15N3S2
Molecular Weight	253.39 g/mol
Synonyms	2-[(Propan-2-yl)sulfanyl]-5,6-dimethylthieno[2,3-d]pyrimidin-4-amine; 4-Amino-2-isopropylthio-5,6-dimethylthieno[2,3-d]pyrimidine; 5,6-Dimethyl-2-(isopropylthio)thieno[2,3-d]pyrimidin-4-amine; Thieno[2,3-d]pyrimidin-4-amine, 2-[(1-methylethyl)thio]-5,6-dimethyl-; 2-(Isopropylthio)-5,6-dimethyl-4-aminothieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 2-(Isopropylthio)-5,6-Dimethylthieno[2,3-D]Pyrimidin-4-Amine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.