4-Nitrophenyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-α-D-glucopyranoside CAS 184377-56-8
| CAS No. | 184377-56-8 |
| Molecular Formula | C20H28N2O13 |
| Molecular Weight | 504.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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 4-Nitrophenyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-α-D-glucopyranoside (CAS 184377-56-8), a certified reference material (molecular formula C20H28N2O13, MW 504.44 g/mol) for analytical method development and quality control.
Structurally, 4-Nitrophenyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-α-D-glucopyranoside (C20H28N2O13) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 504.44 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.
As a certified reference material (CRM), 4-Nitrophenyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-α-D-glucopyranoside 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 Formula | C20H28N2O13 |
| Molecular Weight | 504.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- 4-Nitrophenyl 2-acetamido-2-deoxy-3-O-(a-D-galactopyranosyl)-a-D-galactopyranoside (CAS 1144040-14-1)
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Recommended Standards
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