5-Methyl-4-phenyl-thiophene-3-carboxylic acid 557792-56-0 5609AE C12H10O2S CAS 557792-56-0

Purity 97%+In StockPharmaceutical Standards
CAS No.557792-56-0
Molecular FormulaC12H10O2S
Molecular Weight218.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-4-phenyl-thiophene-3-carboxylic acid
557792-56-0
5609AE
C12H10O2S CAS 557792-56-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 218.27 g/mol gives 5-Methyl-4-phenyl-thiophene-3-carboxylic acid 557792-56-0 5609AE C12H10O2S distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Methyl-4-phenyl-thiophene-3-carboxylic acid 557792-56-0 5609AE C12H10O2S (CAS 557792-56-0), molecular formula C12H10O2S and molecular weight 218.27 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H10O2S, 5-Methyl-4-phenyl-thiophene-3-carboxylic acid 557792-56-0 5609AE C12H10O2S contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 218.27 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 5-Methyl-4-phenyl-thiophene-3-carboxylic acid 557792-56-0 5609AE C12H10O2S 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 FormulaC12H10O2S
Molecular Weight218.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Sulfur Atoms1

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