(Lys15)-Amyloid β-Protein (15-21) CAS 190775-14-5
| CAS No. | 190775-14-5 |
| Molecular Formula | C44H69N9O8 |
| Molecular Weight | 852.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (Lys15)-Amyloid β-Protein (15-21) is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(Lys15)-Amyloid β-Protein (15-21) (CAS 190775-14-5), molecular formula C44H69N9O8 and molecular weight 852.07 g/mol, is a CATO reference standard with documented purity and traceability.
(Lys15)-Amyloid β-Protein (15-21) (C44H69N9O8) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (Lys15)-Amyloid β-Protein (15-21) 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 | C44H69N9O8 |
| Molecular Weight | 852.07 g/mol |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 9 |
Related Lys Standards
- Acetyl-Amyloid β-Protein (15-20) amide (CAS 189064-06-0)
- Amyloid β-Protein (33-42) (CAS 178949-81-0)
- Amyloid b/A4 Protein Precursor770 (403-407) (H-1608.0025) (CAS 148914-08-3)
- (Nle35)-Amyloid b-Protein (25-35) 163265-32-5 (CAS 163265-32-5)
- Amyloid β-Protein (16-20) (CAS 153247-40-6)
- Amyloid β-Protein (25-35) amide (CAS 147490-49-1)
- Amyloid β-Protein (25-35) (CAS 131602-53-4)
- Amyloid β-Protein (35-25) (CAS 147740-73-6)
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Why CATO?
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