| CAS No. | 2243953-54-8 |
| Molecular Formula | C25H28ClN3O5S |
| Molecular Weight | 518.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
ditert-butyl (15S)-5-chloro-15-methyl-13-oxo-11-thia-6,14,17-triazatetracyclo[8.8.0²⁷.0¹²¹⁸]octadeca-1(10),2(7),3,5,8,12(18)-hexaene-14,17-dicarboxylate (CAS 2243953-54-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H28ClN3O5S. Molecular weight: 518.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C25H28ClN3O5S |
| Molecular Weight | 518.02 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |