67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope CAS 67262-86-6

Purity 97%+In StockPharmaceutical Standards
CAS No.67262-86-6
Molecular FormulaC11H20N2O8
Molecular Weight308.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope CAS 67262-86-6 chemical structure

Description

The occurrence of 67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope (CAS 67262-86-6), molecular formula C11H20N2O8 and molecular weight 308.29 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope (C11H20N2O8) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 308.29 g/mol, it falls into the moderately-high-molecular-weight range. 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.

As a certified reference material (CRM), 67262-86-6 GalNac-|A-1-O-serine N-Acetyl-|A-D-galactosaminyl-1-O-serine O-[2-(Acetylamino)-2-deoxy-|A-D-galactopyranosyl]-L-serine Serinyl 2-Acetamido-2-deoxy-|A-galactopyranoside Tn Antigen Tn Epitope 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 FormulaC11H20N2O8
Molecular Weight308.29 g/mol
AppearanceWhite to pale yellow crystalline powder
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1976
Nitrogen Atoms2

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