Phenyl 2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranoside CAS 13089-43-5
| CAS No. | 13089-43-5 |
| Molecular Formula | C20H25NO9 |
| Molecular Weight | 423.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenyl 2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranoside (CAS 13089-43-5), molecular formula C20H25NO9 and molecular weight 423.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Phenyl 2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranoside (C20H25NO9) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 423.41 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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.
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 | C20H25NO9 |
| Molecular Weight | 423.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
- Phenyl 2-acetamido-3-4-6-tri-O-acetyl-2-deoxy-α-D-glucopyranoside (CAS 13089-19-5)
- Phenyl 2-acetamido-3-4-6-tri-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 13089-21-9)
- 2-Acetamido-2-deoxy-3-O-(β-D-2-acetamido-2-deoxyglucopyranosyl)-D-galactopyranose (CAS 95673-98-6)
- 2-Acetamido-2-deoxy-6-O-(β-D-2-acetamido-2-deoxyglucopyranosyl)-α-D-galactopyranose (CAS 452316-31-3)
- 2-Acetamido-3-O-benzyl-4,6-O-benzylidene-2-deoxy-β-D-glucopyranosyl Azide (CAS 80887-27-0)
- 3-Acetamido-6-acetyl-2-nitrophenyl 4-(dimethylamino)-3,5-difluorobenzoate (CAS 1548406-25-2)
- N-(5-Acetamido-2-methoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 578735-59-8)
- N-(5-Acetamido-2-methoxyphenyl)-2-((4-ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618426-42-9)
Recommended Standards
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,6-difluorophenyl)propanoic acid (CAS 1366459-54-2)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,4-difluorophenyl)propanoic acid (CAS 1367449-16-8)
- Fmoc-(R)-3-Amino-3-(2,4-Difluorophenyl)-propionic acid (CAS 1260614-57-0)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3,3-difluoro-3-phenylpropanoic acid (CAS 140647-56-9)
- 1-(Phenylsulfinyl)piperidine 1-Benzenesulfinylpiperidine 4972-31-0 (CAS 4972-31-0)
- 2,3-diethylpyrazine (CAS 15707-24-1)
- 1-Bromo-2-ethoxy-2-methylpropane (CAS 29840-15-1)
- 1-(2,3-Dibromopropyl)-2,3,5,6-tetrafluoro-4-(trichloromethyl)benzene (CAS 1244856-09-4)
- 1-(4-Chlorophenyl)pyrazole-4-carboxylic Acid (CAS 138907-80-9)
- ((2S,3R)-3-methylmorpholin-2-yl)methanol (CAS 2366180-32-5)
- Perfluorobutylsulphonamide (CAS 30334-69-1)
- Indapamide Impurity 14 (CAS 604787-44-2)
- 4-Chloro-5-fluoro-pyridine-3-carbaldehyde (CAS 1060802-34-7)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
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