5-Benzyl 1-(tert-butyl) tetrahydro-1H-pyrrolo[3,4-c]isoxazole-1,5(3H)-dicarboxylate CAS 1250993-12-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1250993-12-4
Molecular FormulaC18H24N2O5
Molecular Weight348.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Benzyl 1-(tert-butyl) tetrahydro-1H-pyrrolo[3,4-c]isoxazole-1,5(3H)-dicarboxylate CAS 1250993-12-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 348.39 g/mol gives 5-Benzyl 1-(tert-butyl) tetrahydro-1H-pyrrolo[3,4-c]isoxazole-1,5(3H)-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Benzyl 1-(tert-butyl) tetrahydro-1H-pyrrolo[3,4-c]isoxazole-1,5(3H)-dicarboxylate (CAS 1250993-12-4) is a high-purity analytical reference standard with the molecular formula C18H24N2O5 and a molecular weight of 348.39 g/mol.

The molecular framework of 5-Benzyl 1-(tert-butyl) tetrahydro-1H-pyrrolo[3,4-c]isoxazole-1,5(3H)-dicarboxylate (C18H24N2O5) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 FormulaC18H24N2O5
Molecular Weight348.39 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms2

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