Description

3-Phenyl-1,2,4-Thiadiazol-5(4H)-One is a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its core structure, featuring a fused thiadiazole ring, makes it a critical intermediate for developing novel pharmacologically active compounds. This high-purity material is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and antimicrobials.
• Agrochemical Research: Serves as a foundational scaffold for developing new generations of herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Used in the research and development of specialty polymers, liquid crystals, and organic electronic materials due to its rigid aromatic structure.
• Chemical Synthesis: Acts as a versatile reagent for constructing complex heterocyclic systems in academic and industrial R&D settings.
• Bioconjugation & Probe Development: Its reactive sites make it suitable for creating biochemical probes and conjugation linkers in diagnostic and life science research.

Basic Information

Product Name	3-Phenyl-1,2,4-Thiadiazol-5(4H)-One
CAS No.	75465-37-1
Molecular Formula	C8H6N2OS
Molecular Weight	178.21 g/mol
Synonyms	5(4H)-Thiadiazolone, 3-phenyl-1,2,4-; 3-Phenyl-1,2,4-thiadiazol-5-one; 3-Phenyl-δ2-1,2,4-thiadiazolin-5-one; 5-Hydroxy-3-phenyl-1,2,4-thiadiazole; 3-Phenyl-5-thiadiazolone; 4H-1,2,4-Thiadiazol-5-one, 3-phenyl-
EINECS	Contact for details

Quality Control

Our 3-Phenyl-1,2,4-Thiadiazol-5(4H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and production. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.