Description

1,2,5-Thiadiazole-3-Carboxaldehyde (9Ci) is a versatile heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique structure, featuring both a thiadiazole ring and a reactive formyl group, makes it a critical precursor for constructing complex molecules with tailored properties. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiadiazole moiety.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in coordination chemistry and catalysis.
• Material Science: Employed in the synthesis of organic electronic materials, dyes, and photoactive compounds.
• Chemical Biology: Useful as a probe or labeling reagent due to its reactive aldehyde group for bioconjugation.

Basic Information

Product Name	1,2,5-Thiadiazole-3-Carboxaldehyde (9Ci)
CAS No.	75238-60-7
Molecular Formula	C3H2N2OS
Molecular Weight	114.12 g/mol
Synonyms	1,2,5-Thiadiazole-3-carboxaldehyde; 1,2,5-Thiadiazole-3-carbaldehyde; 3-Formyl-1,2,5-thiadiazole; Thiadiazole-3-carboxaldehyde; 1,2,5-Thiadiazole-3-carboxylic aldehyde; 3-Aldehyde-1,2,5-thiadiazole; [1,2,5]Thiadiazolo[3,4-c]carbaldehyde
EINECS	Contact for details

Quality Control

Our 1,2,5-Thiadiazole-3-Carboxaldehyde is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, supporting your R&D and scale-up activities with reliable data.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled 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.