(S)-2,4-bis(benzyloxycarbonylamino)butanoic acid 55478-23-4 N-alpha,gamma-Bis-Z-L-2,4-diaminobutyric acid CAS 55478-23-4
| CAS No. | 55478-23-4 |
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.40 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.
(S)-2,4-bis(benzyloxycarbonylamino)butanoic acid 55478-23-4 N-alpha,gamma-Bis-Z-L-2,4-diaminobutyric acid (CAS 55478-23-4) is a high-purity analytical reference standard with the molecular formula C20H22N2O6 and a molecular weight of 386.40 g/mol.
Based on its molecular formula C20H22N2O6, (S)-2,4-bis(benzyloxycarbonylamino)butanoic acid 55478-23-4 N-alpha,gamma-Bis-Z-L-2,4-diaminobutyric acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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 | C20H22N2O6 |
| Molecular Weight | 386.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Z-Ile-ONp (CAS 2130-99-6)
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- Z-D-Nle-ONp (CAS 31062-20-1)
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- Ethyl 3-bromo-1H-pyrrolo[3,2-c]pyridine-4-carboxylate (CAS 1167055-83-5)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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