2-Acetamido-2-deoxy-4-O-(β-D-galactopyranosyl)-D-galactopyranose CAS 82535-18-0
| CAS No. | 82535-18-0 |
| Molecular Formula | C14H25NO11 |
| Molecular Weight | 383.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Acetamido-2-deoxy-4-O-(β-D-galactopyranosyl)-D-galactopyranose (CAS 82535-18-0), molecular formula C14H25NO11 and molecular weight 383.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Acetamido-2-deoxy-4-O-(β-D-galactopyranosyl)-D-galactopyranose (C14H25NO11) contains an amide group, a carboxylic acid 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 383.35 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H25NO11 |
| Molecular Weight | 383.35 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Related Acetamido Standards
- 2-Acetamido-2-deoxy-3-O-(α-D-galactopyranosyl)-D-galactopyranose (CAS 60283-31-0)
- 2-Acetamido-2-deoxy-3-O-(β-D-galactopyranosyl)-D-galactose (CAS 3554-90-3)
- 2-Acetamido-2-deoxy-3-O-(β-D-galactopyranosyl)-D-glucopyranose (CAS 50787-09-2)
- 2-Acetamido-2-deoxy-4-O-(β-D-mannopyranosyl)-D-glucose (CAS 55637-63-3)
- 2-Acetamido-2-deoxy-6-O-(b-D-galactopyranosyl)-D-galactopyranose (CAS 209977-51-5)
- 2-O-(2-Acetamido-2-deoxy-β-D-glucopyranosyl)-D-mannopyranose (CAS 34621-73-3)
- 3-O-(2-Acetamido-2-deoxy-a-D-galactopyranosyl)-D-galactopyranose (CAS 66781-75-7)
- 3-O-[2-Acetamido-2-deoxy-β-D-glucopyranosyl]-D-mannopyranose (CAS 210036-24-1)
Recommended Standards
- 1-{2-[(Benzoyloxy)imino]cyclohexyl}-2,4-dinitrobenzene (CAS 383147-90-8)
- 2-(Acetylamino)-2-deoxy-4-O-β-D-mannopyranosyl-D-glucopyranose (CAS 186765-90-2)
- 1365962-87-3 2-Bromo-N-(6-tert-butyl-3-cyano-4,5,6,7-tetrahydro-1-benzothien-2-yl)butanamide MFCD22056610 (CAS 1365962-87-3)
- 4-O-(2-Acetamido-2-deoxy-α-D-glucopyranosyl)-D-galactose (CAS 76909-76-7)
- N-(1,3-Dimethyl-6-(methylamino)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide (CAS 104509-81-1)
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