4-Nitrophenyl 2-acetamido-3-O-(2-3-4-6-tetra-O-acetyl-β-D-galactopyranosyl)-2-deoxy-α-D-galactopyranoside CAS 57467-12-6
| CAS No. | 57467-12-6 |
| Molecular Formula | C28H36N2O17 |
| Molecular Weight | 672.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Nitrophenyl 2-acetamido-3-O-(2-3-4-6-tetra-O-acetyl-β-D-galactopyranosyl)-2-deoxy-α-D-galactopyranoside (C28H36N2O17) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 4-Nitrophenyl 2-acetamido-3-O-(2-3-4-6-tetra-O-acetyl-β-D-galactopyranosyl)-2-deoxy-α-D-galactopyranoside (CAS 57467-12-6), a certified reference material (molecular formula C28H36N2O17, MW 672.59 g/mol) for analytical method development and quality control.
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 Formula | C28H36N2O17 |
| Molecular Weight | 672.59 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- p-Nitrophenyl 2-acetamido-2-deoxy-3-O-(2-3-4-6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside (CAS 59837-13-7)
- N-(2-Nitrophenyl)-3-oxobutanamide (CAS 90915-86-9)
- 5,10,15-Tris(4-nitrophenyl)corrole (CAS 326472-00-8)
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- 4-Nitrophenyl 2-acetamido-2-deoxy-4-O-[2-O-(α-L-fucopyranosyl)-β-D-galactopyranosyl]-β-D-glucopyranoside (CAS 177855-99-1)
- 4-Nitrophenyl 2-acetamido-2-deoxy-3-O-[2-O-(α-L-fucopyranosyl)-β-D-galactopyranosyl]-β-D-glucopyranoside (CAS 93496-53-8)
- [2-[4-[2-(4-Nitrophenyl)ethynyl]phenyl]ethynyl](triphenylphosphine)gold (CAS 185119-04-4)
- 4-Nitrophenyl 2-acetamido-6-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-3-O-(b-D-galactopyranosyl)-2-deoxy-α-D-galactopyranoside (CAS 139459-55-5)
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Why CATO?
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