(S)-2-((tert-butoxycarbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)butanoic acid CAS 1263045-50-6
| CAS No. | 1263045-50-6 |
| Molecular Formula | C19H30N2O6 |
| Molecular Weight | 382.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (S)-2-((tert-butoxycarbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)butanoic acid (C19H30N2O6) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 382.45 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(S)-2-((tert-butoxycarbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)butanoic acid (CAS 1263045-50-6), molecular formula C19H30N2O6 and molecular weight 382.45 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), (S)-2-((tert-butoxycarbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)butanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H30N2O6 |
| Molecular Weight | 382.45 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (E)-N-((1-(3-(Furan-2-yl)acryloyl)piperidin-4-yl)methyl)-2-phenoxypropanamide (CAS 1235684-95-3)
- (R)-2-((tert-butoxycarbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)butanoic acid (CAS 1263046-41-8)
- (E)-2-Ethoxy-N-((1-(3-(furan-2-yl)acryloyl)piperidin-4-yl)methyl)benzamide (CAS 1235678-20-2)
- Paulownin (CAS 13040-46-5)
- N-(4-Cyclopropoxy-2-methoxypyridin-3-yl)methanesulfonamide (CAS 1243345-29-0)
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- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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