Description

4-Hydrazino-2,5,6-Trimethylthieno[2,3-D]Pyrimidine is a specialized heterocyclic building block featuring a fused thienopyrimidine core with a reactive hydrazino substituent. This compound matters as a critical intermediate for the synthesis of complex molecules, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors for constructing novel active compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting kinase inhibition or other enzyme-related pathways.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, or insecticides that leverage the thienopyrimidine scaffold for biological activity.
• Chemical Biology Probe Development: Serves as a building block for creating molecular probes to study biological processes and identify new therapeutic targets.
• Material Science Applications: Potential use in the synthesis of organic electronic materials or ligands for catalytic systems due to its electron-rich heterocyclic structure.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.

Basic Information

Product Name	4-Hydrazino-2,5,6-Trimethylthieno[2,3-D]Pyrimidine
CAS No.	77995-55-2
Molecular Formula	C9H12N4S
Molecular Weight	208.28 g/mol
Synonyms	4-Hydrazinyl-2,5,6-trimethylthieno[2,3-d]pyrimidine; 2,5,6-Trimethyl-4-hydrazinylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-hydrazino-2,5,6-trimethyl-; 4-Hydrazino-2,5,6-trimethylthienopyrimidine; 77995-55-2; 4-Hydrazino-TTDP
EINECS	Contact for details

Quality Control

Our production of 4-Hydrazino-2,5,6-Trimethylthieno[2,3-D]Pyrimidine adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic workflows. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage or after opening the primary container. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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