5-Bromo-N-(1-methyl-1H-pyrazol-4-yl)thiophene-2-carboxamide CAS 1241222-50-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1241222-50-3
Molecular FormulaC9H8BrN3OS
Molecular Weight286.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromo-N-(1-methyl-1H-pyrazol-4-yl)thiophene-2-carboxamide CAS 1241222-50-3 chemical structure

Description

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.

5-Bromo-N-(1-methyl-1H-pyrazol-4-yl)thiophene-2-carboxamide (CAS 1241222-50-3), molecular formula C9H8BrN3OS and molecular weight 286.15 g/mol, is a CATO reference standard with documented purity and traceability.

5-Bromo-N-(1-methyl-1H-pyrazol-4-yl)thiophene-2-carboxamide (C9H8BrN3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).

As a certified reference material (CRM), 5-Bromo-N-(1-methyl-1H-pyrazol-4-yl)thiophene-2-carboxamide 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 FormulaC9H8BrN3OS
Molecular Weight286.15 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentBr-containing
Nitrogen Atoms3
Sulfur Atoms1

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