H-Lys-Asp-OH CAS 20556-18-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 20556-18-7 |
| Molecular Formula | C10H19N3O5 |
| Molecular Weight | 261.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies H-Lys-Asp-OH (CAS 20556-18-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H19N3O5. Molecular weight: 261.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H19N3O5 |
| Molecular Weight | 261.28 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Recommended Standards
- H-Asp-Lys-OH (CAS 5891-51-0)
- H-Gly-Trp-OH (CAS 2390-74-1)
- H-Asp(Lys-OH)-OH (CAS 56523-60-5)
- Acridine-9-carbohydrazide (CAS 36705-76-7)
- Exatecan Impurity 1 (CAS 110351-91-2)
- 4-(5-Methoxy-2-(trifluoromethyl)phenyl)picolinonitrile (CAS 1219454-65-5)
- 4-(1-Oxopropan-2-yl)benzoic acid (CAS 887255-38-1)
- 4-(2,2,2-Trifluoro-1-(tetrahydrofuran-2-yl)ethyl)morpholine (CAS 1315367-72-6)
- 2-(3,3-Difluorocyclobutyl)-2-methoxyethan-1-amine (CAS 2241140-82-7)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com