4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane CAS 1609484-75-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1609484-75-4
Molecular FormulaC31H27BO3
Molecular Weight458.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane CAS 1609484-75-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 458.36 g/mol gives 4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane (CAS 1609484-75-4), molecular formula C31H27BO3 and molecular weight 458.36 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane (C31H27BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 18.5, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 458.36 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-(spiro[fluorene-9,9'-xanthen]-4-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 FormulaC31H27BO3
Molecular Weight458.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
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)18.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993

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