(3AR,8bR)-7-tosyl-1,3a,4,5,6,7,8,8b-octahydro-2H-isothiazolo[4,5-e]isoindole 3,3-dioxide CAS 1290627-07-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1290627-07-4
Molecular FormulaC16H20N2O4S2
Molecular Weight368.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3AR,8bR)-7-tosyl-1,3a,4,5,6,7,8,8b-octahydro-2H-isothiazolo[4,5-e]isoindole 3,3-dioxide CAS 1290627-07-4 chemical structure

Description

The occurrence of (3AR,8bR)-7-tosyl-1,3a,4,5,6,7,8,8b-octahydro-2H-isothiazolo[4,5-e]isoindole 3,3-dioxide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(3AR,8bR)-7-tosyl-1,3a,4,5,6,7,8,8b-octahydro-2H-isothiazolo[4,5-e]isoindole 3,3-dioxide (CAS 1290627-07-4) is a high-purity analytical reference standard with the molecular formula C16H20N2O4S2 and a molecular weight of 368.47 g/mol.

Based on its molecular formula C16H20N2O4S2, (3AR,8bR)-7-tosyl-1,3a,4,5,6,7,8,8b-octahydro-2H-isothiazolo[4,5-e]isoindole 3,3-dioxide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 368.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC16H20N2O4S2
Molecular Weight368.47 g/mol
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
Sulfur Atoms2

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