(R)-2-Hydroxy-3-methyl-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid CAS 2006321-71-5

Purity 97%+In StockPharmaceutical Standards
CAS No.2006321-71-5
Molecular FormulaC10H11BO4
Molecular Weight206.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-2-Hydroxy-3-methyl-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid CAS 2006321-71-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 206.00 g/mol gives (R)-2-Hydroxy-3-methyl-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (R)-2-Hydroxy-3-methyl-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid (CAS 2006321-71-5), a certified reference material (molecular formula C10H11BO4, MW 206.00 g/mol) for analytical method development and quality control.

Structurally, (R)-2-Hydroxy-3-methyl-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid (C10H11BO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 206.00 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC10H11BO4
Molecular Weight206.00 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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)5.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996

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