Leuprorelin EP Impurity B Trifluoroacetic acid CAS 112642-11-2 (free base)
| CAS No. | 112642-11-2 (free base) |
| Molecular Formula | C59H84N16O12 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 1323.44 g/mol gives Leuprorelin EP Impurity B Trifluoroacetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Leuprorelin EP Impurity B Trifluoroacetic acid (CAS 112642-11-2 (free base)) is a certified pharmaceutical impurity reference standard with the molecular formula C59H84N16O12C2HF3O2 and a molecular weight of 1323.44 g/mol.
Structurally, Leuprorelin EP Impurity B Trifluoroacetic acid (C59H84N16O12C2HF3O2) 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 26.0, corresponding to approximately 26 ring(s) or double-bond equivalent(s). With a molecular weight of 1323.44 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Leuprorelin EP Impurity B Trifluoroacetic acid 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 | C59H84N16O12 C2HF3O2 |
| Molecular Weight | 1323.44 g/mol |
| Purity | >95% |
| 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) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 16 |
Related Leuprorelin Standards
- Leuprorelin impurity 37 (CAS 112642-11-2)
- Leuprorelin Impurity N8 (CAS 112642-11-2（free base）)
- Leuprorelin EP Impurity G (CAS 112710-57-3)
- Leuprorelin EP Impurity G Trifluoroacetic acid (CAS 112710-57-3(free base))
- Leuprorelin EP Impurity H (CAS 112710-58-4)
- Leuprorelin EP Impurity H Trifluoroacetic acid (CAS 112710-58-4(free base))
- Leuprorelin Impurity 14 (CAS 129244-90-2)
- Leuprorelin Impurity 21 (CAS 134053-51-3)
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