Methyl 3-(diethoxyphosphoryl)benzoate CAS 107658-35-5

Purity 97%+In StockPharmaceutical Standards
CAS No.107658-35-5
Molecular FormulaC12H17O5P
Molecular Weight272.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 3-(diethoxyphosphoryl)benzoate CAS 107658-35-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 272.23 g/mol gives Methyl 3-(diethoxyphosphoryl)benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Methyl 3-(diethoxyphosphoryl)benzoate (CAS 107658-35-5), molecular formula C12H17O5P and molecular weight 272.23 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H17O5P, Methyl 3-(diethoxyphosphoryl)benzoate contains a phosphate ester 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 272.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 FormulaC12H17O5P
Molecular Weight272.23 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, acetonitrile, DMSO, water (slightly soluble)
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.)1987

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