114661-01-7 6-O-|A-Sialyl-2-acetamido-2-deoxy-|A-D-galactopyranosyl-1-O-L-serine O-[2-(acetylamino)-6-O-(N-acetyl-|A-neuraminosyl)-2-deoxy-|A-D-galactopyranosyl]-L-serine STn Epitope Serinyl 2-Acetamido-2-deoxy-6-O-(|A-2-N-Acetylnuraminyl)-|A-D-galactopyranosyl CAS 114661-01-7

Purity 97%+In StockPharmaceutical Standards
CAS No.114661-01-7
Molecular FormulaC22H37N3O16
Molecular Weight599.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

114661-01-7 6-O-|A-Sialyl-2-acetamido-2-deoxy-|A-D-galactopyranosyl-1-O-L-serine O-[2-(acetylamino)-6-O-(N-acetyl-|A-neuraminosyl)-2-deoxy-|A-D-galactopyranosyl]-L-serine STn Epitope Serinyl 2-Acetamido-2-deoxy-6-O-(|A-2-N-Acetylnuraminyl)-|A-D-galactopyranosyl CAS 114661-01-7 chemical structure

Description

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

CATO supplies 114661-01-7 6-O-|A-Sialyl-2-acetamido-2-deoxy-|A-D-galactopyranosyl-1-O-L-serine O-[2-(acetylamino)-6-O-(N-acetyl-|A-neuraminosyl)-2-deoxy-|A-D-galactopyranosyl]-L-serine STn Epitope Serinyl 2-Acetamido-2-deoxy-6-O-(|A-2-N-Acetylnuraminyl)-|A-D-galactopyranosyl (CAS 114661-01-7), a certified reference material (molecular formula C22H37N3O16, MW 599.54 g/mol) for analytical method development and quality control.

114661-01-7 6-O-|A-Sialyl-2-acetamido-2-deoxy-|A-D-galactopyranosyl-1-O-L-serine O-[2-(acetylamino)-6-O-(N-acetyl-|A-neuraminosyl)-2-deoxy-|A-D-galactopyranosyl]-L-serine STn Epitope Serinyl 2-Acetamido-2-deoxy-6-O-(|A-2-N-Acetylnuraminyl)-|A-D-galactopyranosyl (C22H37N3O16) contains a nitrogen-containing heterocyclic scaffold, an amide 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 FormulaC22H37N3O16
Molecular Weight599.54 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms3

Recommended Standards

Why CATO?