H-Lys-Phe-Lys-OH CAS 54925-87-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 54925-87-0 |
| Molecular Formula | C21H35N5O4 |
| Molecular Weight | 421.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order H-Lys-Phe-Lys-OH (CAS 54925-87-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H35N5O4. Molecular weight: 421.50 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H35N5O4 |
| Molecular Weight | 421.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 5 |
Recommended Standards
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- 1,1,1-Trichloro-5,8,11,14-tetraoxa-1-silapentadecane (CAS 228700-87-6)
- 3-(2-Chlorophenyl)-5-[(E)-2-[(3,4-dimethylphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 320424-87-1)
- 2-((4-Phenylhepta-1,6-dien-4-yl)carbamoyl)benzoic acid (CAS 304481-22-9)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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