N-(4-methoxyphenyl)-S-(2-nitrophenyl)thiohydroxylamine CAS 4997-95-9

Purity 97%+In StockPharmaceutical Standards
CAS No.4997-95-9
Molecular FormulaC13H12N2O3S
Molecular Weight276.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-methoxyphenyl)-S-(2-nitrophenyl)thiohydroxylamine CAS 4997-95-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 276.31 g/mol gives N-(4-methoxyphenyl)-S-(2-nitrophenyl)thiohydroxylamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(4-methoxyphenyl)-S-(2-nitrophenyl)thiohydroxylamine (CAS 4997-95-9) is a high-purity analytical reference standard with the molecular formula C13H12N2O3S and a molecular weight of 276.31 g/mol.

N-(4-methoxyphenyl)-S-(2-nitrophenyl)thiohydroxylamine (C13H12N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC13H12N2O3S
Molecular Weight276.31 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2
Sulfur Atoms1

Related N Standards

Recommended Standards

Why CATO?