Atosiban Impurity 45 CAS CATO-C4X-229345
| CAS No. | CATO-C4X-229345 |
| Molecular Formula | C82H123N21O24S4 |
| Molecular Weight | 1915.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C82H123N21O24S4, Atosiban Impurity 45 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 1915.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Atosiban Impurity 45 (CAS CATO-C4X-229345) is a certified pharmaceutical impurity reference standard with the molecular formula C82H123N21O24S4 and a molecular weight of 1915.24 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
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 | C82H123N21O24S4 |
| Molecular Weight | 1915.24 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) | 32.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 21 |
| Sulfur Atoms | 4 |
Related Atosiban Standards
- Atosiban Impurity 8 (CAS CATO-C4X-22938)
- Atosiban Impurity 48 (CAS CATO-C4X-229348)
- Atosiban impurity 92 (CAS CATO-C4X-229392)
- Atosiban Impurity 12 (CAS CATO-C4X-229312)
- Atosiban Impurity 60 (CAS CATO-C4X-229360)
- Atosiban Impurity 6 (CAS CATO-C4X-22936)
- Atosiban Impurity 93 (CAS CATO-C4X-229393)
- Atosiban Impurity 31 (CAS CATO-C4X-229331)
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