Description

N,n-Dimethyl-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4-Amine is a high-purity, advanced pharmaceutical intermediate belonging to the fused heterocyclic compound class. 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 complex molecular architectures. It is primarily sought by research institutions, pharmaceutical development laboratories, and fine chemical manufacturers engaged in drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: Key precursor in the research and synthesis of novel drug candidates targeting central nervous system (CNS) disorders, oncology, and other therapeutic areas.
• Organic Synthesis Building Block: Used in medicinal chemistry for constructing complex fused-ring systems, enabling structure-activity relationship (SAR) studies.
• Biochemical Research: Employed in academic and industrial R&D for investigating enzyme inhibition and receptor binding activities.
• Process Development: Serves as a standard or starting material for scaling up and optimizing synthetic routes under Good Manufacturing Practice (GMP) conditions.
• Reference Standard: Utilized as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.

Basic Information

Product Name	N,n-Dimethyl-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4-Amine
CAS No.	871807-58-8
Molecular Formula	C₁₄H₁₇N₃S
Molecular Weight	259.37 g/mol
Synonyms	4-Amino-N,N-dimethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine; N,N-Dimethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine; 871807-58-8; Benzo[4,5]thieno[2,3-d]pyrimidin-4-amine, N,N-dimethyl-5,6,7,8-tetrahydro-; Tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine derivative
EINECS	Contact for details

Quality Control

Our N,n-Dimethyl-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4-Amine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment, supporting your regulatory and quality assurance requirements for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white 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%

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