TFA-Val-Tyr-Val-OH CAS 64577-63-5
| CAS No. | 64577-63-5 |
| Molecular Formula | C21H28F3N3O6 |
| Molecular Weight | 475.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 475.46 g/mol gives TFA-Val-Tyr-Val-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
TFA-Val-Tyr-Val-OH (CAS 64577-63-5) is a high-purity analytical reference standard with the molecular formula C21H28F3N3O6 and a molecular weight of 475.46 g/mol.
Based on its molecular formula C21H28F3N3O6, TFA-Val-Tyr-Val-OH contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 475.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), TFA-Val-Tyr-Val-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 | C21H28F3N3O6 |
| Molecular Weight | 475.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
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