| CAS No. | 321974-76-9 |
| Molecular Formula | C141H233N45O42 |
| Molecular Weight | 3230.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 3230.64 g/mol gives (Ser(Ac)3)-Ghrelin (mouse, rat) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(Ser(Ac)3)-Ghrelin (mouse, rat) (CAS 321974-76-9), molecular formula C141H233N45O42 and molecular weight 3230.64 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (Ser(Ac)3)-Ghrelin (mouse, rat) (C141H233N45O42) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 48.0, corresponding to approximately 48 ring(s) or double-bond equivalent(s). With a molecular weight of 3230.64 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C141H233N45O42 |
| Molecular Weight | 3230.64 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) | 48.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 45 |