Macitentan Impurity 24 CAS 556797-16-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 556797-16-1 |
| Molecular Formula | C20H21Br2N5O4S |
| Molecular Weight | 587.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Macitentan Impurity 24 (CAS 556797-16-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H21Br2N5O4S. Molecular weight: 587.28 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H21Br2N5O4S |
| Molecular Weight | 587.28 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Macitentan Standards
- Macitentan (CAS 441798-33-0)
- Macitentan Impurity 26 (CAS CATO-C4X-117526)
- Macitentan-d4 (CAS 1258428-05-5)
- Macitentan Impurity 2 (CAS 441796-13-0)
- Macitentan Impurity 27 (CAS CATO-C4X-117527)
- Macitentan Impurity 22 (CAS CATO-C4X-117522)
- Macitentan Impurity 23 (CAS CATO-C4X-117523)
- Macitentan Impurity 1 (CAS 441798-25-0)
Recommended Standards
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- 6,8-Dimethoxyl-2-tetralone (CAS 53076-59-8)
- Ethyl (1R,2R)-2-(1-methyl-1H-pyrazol-4-yl)cyclopropane-1-carboxylate (CAS 2241129-03-1)
- 5-[(E)-2-({[1,1'-biphenyl]-2-yl}amino)ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile (CAS 338402-70-3)
- (S)-2-(2-chloro-6-fluoro-3-methylphenyl)pyrrolidine (CAS 1213020-45-1)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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