Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(9H-xanthen-9-yl)carbamoyl]propanoate CAS 1820581-52-9
| CAS No. | 1820581-52-9 |
| Molecular Formula | C23H26N2O6 |
| Molecular Weight | 426.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 426.46 g/mol gives Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(9H-xanthen-9-yl)carbamoyl]propanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(9H-xanthen-9-yl)carbamoyl]propanoate (CAS 1820581-52-9), molecular formula C23H26N2O6 and molecular weight 426.46 g/mol, is a CATO reference standard with documented purity and traceability.
Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(9H-xanthen-9-yl)carbamoyl]propanoate (C23H26N2O6) contains a flavonoid core, 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.
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 | C23H26N2O6 |
| Molecular Weight | 426.46 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Benzyl (3S)-3-{[(benzyloxy)carbonyl](2-methoxy-2-oxoethyl)amino}pyrrolidine-1-carboxylate (CAS 1820574-71-7)
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- 4,6-Bis((4-methoxybenzyl)oxy)-2-(2-methoxyethoxy)pyrimidine (CAS 1956364-82-1)
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- 4-Chloro-1-(5-fluoro-2-hydroxyphenyl)butan-1-one (CAS 79214-31-6)
- (S)-2-Amino-3-methyl-N-((S)-1-methylpyrrolidin-3-yl)butanamide (CAS 1401664-78-5)
- 1-[4'-(Methylsulfonyl)[1,1'-biphenyl]-3-yl] ethanone (CAS 17482-78-9)
- tert-Butyl (4-(benzyloxy)-2-methylphenyl)carbamate (CAS 1196153-12-4)
- 4-Methyl-8-phenoxy-1-[4-(propan-2-yl)phenyl]-1H,2H,3H-pyrrolo[3,2-c]quinoline (CAS 861210-25-5)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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