H-Lys-Phe-Gly-Lys-OH (H-4205.0050) CAS 114577-12-7
| CAS No. | 114577-12-7 |
| Molecular Formula | C23H38N6O5 |
| Molecular Weight | 478.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 478.59 g/mol gives H-Lys-Phe-Gly-Lys-OH (H-4205.0050) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies H-Lys-Phe-Gly-Lys-OH (H-4205.0050) (CAS 114577-12-7), a certified reference material (molecular formula C23H38N6O5, MW 478.59 g/mol) for analytical method development and quality control.
H-Lys-Phe-Gly-Lys-OH (H-4205.0050) (C23H38N6O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), H-Lys-Phe-Gly-Lys-OH (H-4205.0050) 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 | C23H38N6O5 |
| Molecular Weight | 478.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 6 |
Recommended Standards
- N-(4-acetamidophenyl)-2-((3-ethyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040661-73-1)
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- (4,4-Dimethoxycyclohexyl)methanol (CAS 758716-89-1)
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Why CATO?
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