Spiramycin I CAS 24916-50-5
| CAS No. | 24916-50-5 |
| Molecular Formula | C43H74N2O14 |
| Molecular Weight | 843.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Spiramycin I 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.
Spiramycin I (CAS 24916-50-5), molecular formula C43H74N2O14 and molecular weight 843.05 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C43H74N2O14, Spiramycin I contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 843.05 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).
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 | C43H74N2O14 |
| Molecular Weight | 843.05 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related Spiramycin Standards
- Spiramycin (CAS 8025-81-8)
- Spiramycin EP Impurity E (CAS CATO-C4X-23255)
- Spiramycin EP Impurity B (CAS 249930-66-3)
- Spiramycin EP Impurity D (CAS 87708-39-2)
- Spiramycin EP Impurity E (CAS 177584-14-4)
- Spiramycin EP Impurity D (CAS CATO-C4X-23254)
- Spiramycin I (CAS CATO-C4X-2325)
- Spiramycin EP Impurity B (CAS CATO-C4X-23252)
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