Description

Thieno[2,3-D]Pyridazin-4(5H)-One, 7-Cyclopropyl-5-Ethyl- (9Ci) is a high-purity, advanced pharmaceutical intermediate characterized by its fused heterocyclic structure. This compound is of significant commercial importance for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical industries engaged in the development of new therapeutic and crop protection agents.

Application

• Critical pharmaceutical intermediate for the research and synthesis of novel drug candidates.
• Building block in medicinal chemistry for constructing complex heterocyclic scaffolds with potential biological activity.
• Key starting material or intermediate in the development of agrochemicals, such as herbicides and fungicides.
• Used in organic synthesis and process chemistry for scale-up and optimization studies.
• Valuable reagent in academic and industrial R&D for exploring new chemical entities.

Basic Information

Product Name	Thieno[2,3-D]Pyridazin-4(5H)-One, 7-Cyclopropyl-5-Ethyl- (9Ci)
CAS No.	733745-59-0
Molecular Formula	C11H12N2OS
Molecular Weight	220.29 g/mol
Synonyms	7-Cyclopropyl-5-ethylthieno[2,3-d]pyridazin-4(5H)-one; 5-Ethyl-7-cyclopropyl-4H,5H-thieno[2,3-d]pyridazin-4-one; 7-Cyclopropyl-5-ethyl-4H-thieno[2,3-d]pyridazin-4-one; Thieno[2,3-d]pyridazin-4(5H)-one, 7-cyclopropyl-5-ethyl-; 733745-59-0; 5-Ethyl-7-cyclopropylthieno[2,3-d]pyridazin-4(5H)-one
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-D]Pyridazin-4(5H)-One, 7-Cyclopropyl-5-Ethyl- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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