Macitentan Impurity 2 CAS 441796-13-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 441796-13-0 |
| Molecular Formula | C18H18Br2N6O4S |
| Molecular Weight | 574.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Macitentan Impurity 2 (CAS 441796-13-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H18Br2N6O4S. Molecular weight: 574.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H18Br2N6O4S |
| Molecular Weight | 574.25 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.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Macitentan Standards
- Macitentan Impurity 24 (CAS 556797-16-1)
- Macitentan (CAS 441798-33-0)
- Macitentan Impurity 26 (CAS CATO-C4X-117526)
- Macitentan Impurity 1 (CAS 441798-25-0)
- Macitentan-d4 (CAS 1258428-05-5)
- Macitentan Impurity 27 (CAS CATO-C4X-117527)
- Macitentan Impurity 3 (CAS 1103522-45-7)
- Macitentan Impurity 8 (CAS 556796-88-4)
Recommended Standards
- 3,3'-Diiodo-2,2'-dimethoxy-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthalene (CAS 400027-47-6)
- Fluralaner Impurity 57 (CAS 1122021-93-5)
- (1S)-5,5′,6,6′,7,7′,8,8′-Octahydro-3,3′-diiodo-2,2′-dimethoxy-1,1′-binaphthalene (CAS 1826047-44-2)
- Entacapone EP Impurity I (CAS 1364322-42-8)
- Cinacalcet Impurity N57 (CAS 1271930-15-4)
- (4-Amino-2-butylpyrimidin-5-yl)methanol (CAS 62671-93-6)
- 3-Chloro-5,6-dimethylpyrazine-2-carbonitrile (CAS 153809-15-5)
- 4-[3-(trifluoromethyl)phenyl]butanal (CAS 1343365-32-1)
- Danusertib (CAS 827318-97-8)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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