Fmoc-Tyr-OH-<SUP>15</SUP>N CAS 125700-34-7
| CAS No. | 125700-34-7 |
| Molecular Formula | C24H39[15N]O5 |
| Molecular Weight | 422.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Fmoc-Tyr-OH-<SUP>15</SUP>N (CAS 125700-34-7), molecular formula C24H39[15N]O5 and molecular weight 422.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H39[15N]O5, Fmoc-Tyr-OH-<SUP>15</SUP>N contains a steroid 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 422.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Fmoc-Tyr-OH-<SUP>15</SUP>N 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 | C24H39[15N]O5 |
| Molecular Weight | 422.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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