4,4,5,5-Tetramethyl-2-(4-phenyl-2-thienyl)-1,3,2-dioxaborolane CAS 960116-25-0

Purity 97%+In StockPharmaceutical Standards
CAS No.960116-25-0
Molecular FormulaC16H19BO2S
Molecular Weight286.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4,5,5-Tetramethyl-2-(4-phenyl-2-thienyl)-1,3,2-dioxaborolane CAS 960116-25-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4,5,5-Tetramethyl-2-(4-phenyl-2-thienyl)-1,3,2-dioxaborolane.

4,4,5,5-Tetramethyl-2-(4-phenyl-2-thienyl)-1,3,2-dioxaborolane (CAS 960116-25-0), molecular formula C16H19BO2S and molecular weight 286.20 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,4,5,5-Tetramethyl-2-(4-phenyl-2-thienyl)-1,3,2-dioxaborolane (C16H19BO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 286.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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-(4-phenyl-2-thienyl)-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 FormulaC16H19BO2S
Molecular Weight286.20 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)7.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Sulfur Atoms1

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