Description

4-Hydrazino-2-Methyl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine is a high-purity, advanced pharmaceutical intermediate of significant commercial interest. This heterocyclic compound is valued for its role as a key synthetic building block in the development of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for applications in medicinal chemistry and process development.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and the discovery of new bioactive molecules.
• Organic Synthesis Building Block: Used in the construction of fused heterocyclic systems due to its reactive hydrazino and pyrimidine functional groups.
• Agrochemical Research: Potential application as an intermediate in the development of new crop protection agents and herbicides.
• Material Science Precursor: Exploration into its use for creating specialized organic electronic materials or ligands for catalysis.

Basic Information

Product Name	4-Hydrazino-2-Methyl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine
CAS No.	77995-54-1
Molecular Formula	C11H14N4S
Molecular Weight	234.32 g/mol
Synonyms	4-Hydrazino-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 2-Methyl-4-hydrazino-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 4-Hydrazinyl-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 77995-54-1; Tetrahydrobenzothienopyrimidine hydrazine derivative
EINECS	Contact for details

Quality Control

Our 4-Hydrazino-2-Methyl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.