Z-Lys(Boc)-OH CAS 2389-60-8
| CAS No. | 2389-60-8 |
| Molecular Formula | C19H28N2O6 |
| Molecular Weight | 380.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 380.44 g/mol gives Z-Lys(Boc)-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Z-Lys(Boc)-OH (CAS 2389-60-8), molecular formula C19H28N2O6 and molecular weight 380.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H28N2O6, Z-Lys(Boc)-OH 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 380.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C19H28N2O6 |
| Molecular Weight | 380.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Z-D-Lys(Boc)-OH (CAS 66845-42-9)
- 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine-13C3 (CAS 1185239-87-5)
- Boc-Lys(Z)-OH (CAS 2389-45-9)
- Piretanide-d4 Methyl Ester (Major) (CAS 1794753-37-9)
- (E)-4,4,5,5-Tetramethyl-2-(3-methylbut-1-en-1-yl)-1,3,2-dioxaborolane (CAS 177949-92-7)
- 2-(3-Bromo-4-methoxybenzyl)-1,3,4-oxadiazole (CAS 344886-48-2)
- 2-(4-Bromophenyl)-1,3-oxathiolane (CAS 77853-37-3)
- 5-Cyclopropoxy-2-methoxy-N,N-dimethylisonicotinamide (CAS 1243451-61-7)
- 1-Methyl-3-propyl-5-(4-(trifluoromethyl)phenyl)-1H-1,2,4-triazole (CAS 915303-69-4)
- 5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-(3-methyl-5-oxo-1-phenyl-1,2,4-triazolidin-3-yl)-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 351858-44-1)
- 3-Cyclohexyl-4-methyl-1h-pyrazol-5-amine (CAS 2138741-74-7)
- (R)-Morpholine-2-carboxamide (CAS 1593553-12-8)
- 2-(morpholin-2-yl)ethan-1-amine dihydrochloride (CAS 1803584-19-1)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
Why CATO?
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