(Tyr65,Phe67)-C5a (65-74) (human) CAS 157952-15-3
| CAS No. | 157952-15-3 |
| Molecular Formula | C55H85N15O16S |
| Molecular Weight | 1244.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(Tyr65,Phe67)-C5a (65-74) (human) (CAS 157952-15-3) is a high-purity analytical reference standard with the molecular formula C55H85N15O16S and a molecular weight of 1244.44 g/mol.
Structurally, (Tyr65,Phe67)-C5a (65-74) (human) (C55H85N15O16S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 1244.44 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (Tyr65,Phe67)-C5a (65-74) (human) 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 | C55H85N15O16S |
| Molecular Weight | 1244.44 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 15 |
| Sulfur Atoms | 1 |
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