Description

(7-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-yl)-hydrazine CAS NO 137438-24-5 is a high-purity, heterocyclic organic compound featuring a fused benzothienopyrimidine core with a reactive hydrazine substituent. This specialized structure makes it a critical building block (advanced intermediate) for pharmaceutical research and development, particularly in the synthesis of novel therapeutic agents. It is primarily needed by pharmaceutical R&D laboratories, contract research organizations (CROs), and fine chemical manufacturers engaged in drug discovery programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates targeting various disease pathways.
• Kinase Inhibitor Scaffold: Used in medicinal chemistry for the development of novel kinase inhibitors due to its privileged heterocyclic structure.
• Chemical Biology Probe: Employed in research to create molecular probes for studying enzyme function and cellular signaling processes.
• Agrochemical Research: Investigated as an intermediate for developing new active ingredients with herbicidal or pesticidal properties.
• Material Science Research: Explored as a monomer or precursor for creating specialized polymers or organic electronic materials.

Basic Information

Product Name	(7-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-yl)-hydrazine
CAS No.	137438-24-5
Molecular Formula	C₁₂H₁₄N₄S
Molecular Weight	246.33 g/mol
Synonyms	4-Hydrazinyl-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine; 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-ylhydrazine; (7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)hydrazine; CAS 137438-24-5; BTTMP-Hydrazine; THBT-Hydrazine Derivative
EINECS	Contact for details

Quality Control

Our (7-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-yl)-hydrazine is produced 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 we support compliance with relevant regulatory frameworks for research use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature and potential for oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Any single impurity ≤ 1.0%
Loss on Drying	≤ 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.