4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane CAS 1072811-91-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1072811-91-6
Molecular FormulaC15H19BO2S
Molecular Weight274.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane CAS 1072811-91-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 274.19 g/mol gives 4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane (CAS 1072811-91-6), molecular formula C15H19BO2S and molecular weight 274.19 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H19BO2S, 4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane 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 274.19 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), 4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane 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 FormulaC15H19BO2S
Molecular Weight274.19 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)6.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Sulfur Atoms1

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