S-(4-Nitrophenyl)mercapturic Acid CAS 91088-55-0

Purity 97%+In StockPharmaceutical Standards
CAS No.91088-55-0
Molecular FormulaC11H12N2O5S
Molecular Weight284.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

S-(4-Nitrophenyl)mercapturic Acid CAS 91088-55-0 chemical structure

Description

The occurrence of S-(4-Nitrophenyl)mercapturic Acid is closely related to a nitrogen-containing heterocyclic scaffold, 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.

S-(4-Nitrophenyl)mercapturic Acid (CAS 91088-55-0), molecular formula C11H12N2O5S and molecular weight 284.29 g/mol, is a CATO reference standard with documented purity and traceability.

S-(4-Nitrophenyl)mercapturic Acid (C11H12N2O5S) 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.

As a certified reference material (CRM), S-(4-Nitrophenyl)mercapturic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC11H12N2O5S
Molecular Weight284.29 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms2
Sulfur Atoms1

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