(7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic acid CAS 682788-10-9

Purity 97%+In StockPharmaceutical Standards
CAS No.682788-10-9
Molecular FormulaC9H11BO4
Molecular Weight193.99 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic acid CAS 682788-10-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 193.99 g/mol gives (7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic acid (CAS 682788-10-9), molecular formula C9H11BO4 and molecular weight 193.99 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 193.99 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), (7-Ethylbenzo[d][1,3]dioxol-5-yl)boronic 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 FormulaC9H11BO4
Molecular Weight193.99 g/mol
AppearanceOff-white to pale yellow crystalline powder
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)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985

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