Description

1,2,3-Thiadiazole-5-Carboxaldehyde, 4-Methyl- (9Ci) is a high-value heterocyclic building block and key synthetic intermediate. Its unique thiadiazole core fused with an aldehyde functional group makes it a versatile precursor for constructing complex molecules in advanced research and development. This compound is essential for chemists in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients, including potential drugs, fungicides, and herbicides.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly those targeting infectious diseases or metabolic disorders.
• Agrochemical Synthesis: Serves as a key precursor in the development of next-generation pesticides, herbicides, and fungicides.
• Material Science Research: Used in the creation of specialized polymers, ligands, and organic electronic materials.
• Chemical Biology & Proteomics: Employed as a reactive handle for bioconjugation and the development of chemical probes.
• Academic & Industrial R&D: A fundamental reagent for methodological studies in heterocyclic and medicinal chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	1,2,3-Thiadiazole-5-Carboxaldehyde, 4-Methyl- (9Ci)
CAS No.	127108-66-1
Molecular Formula	C4H4N2OS
Molecular Weight	128.15 g/mol
Synonyms	4-Methyl-1,2,3-thiadiazole-5-carboxaldehyde; 4-Methyl-1,2,3-thiadiazole-5-carbaldehyde; 5-Formyl-4-methyl-1,2,3-thiadiazole; 4-Methyl-[1,2,3]thiadiazole-5-carbaldehyde; 1,2,3-Thiadiazole-5-carboxaldehyde, 4-methyl-; 4-Methyl-1,2,3-thiadiazole-5-carboxaldehyde (9CI)
EINECS	Contact for details

Quality Control

Our 1,2,3-Thiadiazole-5-Carboxaldehyde, 4-Methyl- (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 store under an inert atmosphere for long-term preservation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.