6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid CAS 933747-41-2

Purity 97%+In StockPharmaceutical Standards
CAS No.933747-41-2
Molecular FormulaC8H8O3S
Molecular Weight184.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid CAS 933747-41-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 184.21 g/mol gives 6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid (CAS 933747-41-2), molecular formula C8H8O3S and molecular weight 184.21 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H8O3S, 6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid 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 184.21 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), 6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid 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 FormulaC8H8O3S
Molecular Weight184.21 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Sulfur Atoms1

Related Dihydro Standards

Recommended Standards

Why CATO?