Succinyl-(Glu9,Ala11·15)-Endothelin-1 (8-21) CAS 142569-99-1
| CAS No. | 142569-99-1 |
| Molecular Formula | C86H117N17O27 |
| Molecular Weight | 1820.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Succinyl-(Glu9,Ala11·15)-Endothelin-1 (8-21) (CAS 142569-99-1), molecular formula C86H117N17O27 and molecular weight 1820.97 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Succinyl-(Glu9,Ala11·15)-Endothelin-1 (8-21) is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 1820.97 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), Succinyl-(Glu9,Ala11·15)-Endothelin-1 (8-21) 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 | C86H117N17O27 |
| Molecular Weight | 1820.97 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) | 37.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 17 |
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- N-(2-Cyanophenyl)-2-(morpholin-4-yl)acetamide (CAS 189757-27-5)
- Ethyl (S)-2-(5-hydroxy-2,3-dihydro-1H-inden-1-yl)acetate (CAS 496061-80-4)
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Why CATO?
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