Mca-(endo-1a-Dap(Dnp))-TNF-α (-5 to +6) amide (human) CAS 192723-42-5
| CAS No. | 192723-42-5 |
| Molecular Formula | C69H103N23O24 |
| Molecular Weight | 1638.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Mca-(endo-1a-Dap(Dnp))-TNF-α (-5 to +6) amide (human) (CAS 192723-42-5) is a high-purity analytical reference standard with the molecular formula C69H103N23O24 and a molecular weight of 1638.72 g/mol.
Structurally, Mca-(endo-1a-Dap(Dnp))-TNF-α (-5 to +6) amide (human) (C69H103N23O24) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 30.0, corresponding to approximately 30 ring(s) or double-bond equivalent(s). With a molecular weight of 1638.72 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C69H103N23O24 |
| Molecular Weight | 1638.72 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) | 30.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Nitrogen Atoms | 23 |
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