4H,6h-thieno[3,4-b]furan-3-carboxylic acid CAS 107710-64-5

Purity 97%+In StockPharmaceutical Standards
CAS No.107710-64-5
Molecular FormulaC7H6O3S
Molecular Weight170.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4H,6h-thieno[3,4-b]furan-3-carboxylic acid CAS 107710-64-5 chemical structure

Description

Structurally, 4H,6h-thieno[3,4-b]furan-3-carboxylic acid (C7H6O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 170.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

4H,6h-thieno[3,4-b]furan-3-carboxylic acid (CAS 107710-64-5) is a high-purity analytical reference standard with the molecular formula C7H6O3S and a molecular weight of 170.19 g/mol.

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), 4H,6h-thieno[3,4-b]furan-3-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 FormulaC7H6O3S
Molecular Weight170.19 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
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

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