L-Leucinamide, N-[(phenylmethoxy)carbonyl]-L-alanyl- CAS 18323-56-3
| CAS No. | 18323-56-3 |
| Molecular Formula | C17H25N3O4 |
| Molecular Weight | 335.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 335.40 g/mol gives L-Leucinamide, N-[(phenylmethoxy)carbonyl]-L-alanyl- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies L-Leucinamide, N-[(phenylmethoxy)carbonyl]-L-alanyl- (CAS 18323-56-3), a certified reference material (molecular formula C17H25N3O4, MW 335.40 g/mol) for analytical method development and quality control.
Structurally, L-Leucinamide, N-[(phenylmethoxy)carbonyl]-L-alanyl- (C17H25N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 335.40 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.
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 | C17H25N3O4 |
| Molecular Weight | 335.40 g/mol |
| Appearance | Off-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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Related L Standards
Recommended Standards
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- RMC6236 Intermediate 8 (CAS 2865127-16-6)
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- Pivalimidamide HCl (CAS 18202-73-8)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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