Fmoc-Thr(Bzl)-OH CAS 117872-75-0
| CAS No. | 117872-75-0 |
| Molecular Formula | C26H25NO5 |
| Molecular Weight | 431.48 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.
CATO supplies Fmoc-Thr(Bzl)-OH (CAS 117872-75-0), a certified reference material (molecular formula C26H25NO5, MW 431.48 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H25NO5, Fmoc-Thr(Bzl)-OH 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 431.48 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).
As a certified reference material (CRM), Fmoc-Thr(Bzl)-OH 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 | C26H25NO5 |
| Molecular Weight | 431.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
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- 4-(Dimethylamino)butan-2-one (CAS 2543-57-9)
- Tert-butyl 3-(hydroxymethyl)-3-(trifluoromethyl)pyrrolidine-1-carboxylate (CAS 1283720-61-5)
- Benzyl 5-bromo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 201470-59-9)
- Methyl 3-methoxy-4-propoxybenzoate (CAS 3535-26-0)
- 4-Ethyl-2-(hydroxymethyl)-1-methyl-1H-imidazole-5-carboxylic acid (CAS 2449047-58-7)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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