4-(4-Fluoro-2-trifluoromethylphenyl)-thiosemicarbazide CAS 1303993-88-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1303993-88-5
Molecular FormulaC8H7F4N3S
Molecular Weight253.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Fluoro-2-trifluoromethylphenyl)-thiosemicarbazide CAS 1303993-88-5 chemical structure

Description

Based on its molecular formula C8H7F4N3S, 4-(4-Fluoro-2-trifluoromethylphenyl)-thiosemicarbazide contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO supplies 4-(4-Fluoro-2-trifluoromethylphenyl)-thiosemicarbazide (CAS 1303993-88-5), a certified reference material (molecular formula C8H7F4N3S, MW 253.22 g/mol) for analytical method development and quality control.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 4-(4-Fluoro-2-trifluoromethylphenyl)-thiosemicarbazide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC8H7F4N3S
Molecular Weight253.22 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentF-containing
Nitrogen Atoms3
Sulfur Atoms1

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