Mal-PEG4-Glu(TFP ester)-NH-m-PEG24 CAS 2408741-87-5
| CAS No. | 2408741-87-5 |
| Molecular Formula | C78H134F4N4O35 |
| Molecular Weight | 1763.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Mal-PEG4-Glu(TFP ester)-NH-m-PEG24 (CAS 2408741-87-5) is a high-purity analytical reference standard with the molecular formula C78H134F4N4O35 and a molecular weight of 1763.90 g/mol.
Structurally, Mal-PEG4-Glu(TFP ester)-NH-m-PEG24 (C78H134F4N4O35) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 1763.90 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.
Physical & Chemical Properties
| Molecular Formula | C78H134F4N4O35 |
| Molecular Weight | 1763.90 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
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