Bosentan impurity 16 CAS 157415-45-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 157415-45-7 |
| Molecular Formula | C27H29N5O5S |
| Molecular Weight | 535.61 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Bosentan impurity 16 (CAS 157415-45-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C27H29N5O5S. Molecular weight: 535.61 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C27H29N5O5S |
| Molecular Weight | 535.61 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Bosentan Standards
- Bosentan USP Related Compound A (CAS 150727-06-3)
- Bosentan (CAS 147536-97-8)
- Bosentan-D4 (CAS 1065472-77-6)
- Bosentan USP Related Compound B (CAS 174227-14-6)
- Bosentan Hydroxy (CAS 253688-60-7)
- Bosentan Impurity 02 (CAS 301646-61-7)
- Bosentan Impurity 15 (CAS 1257099-43-6)
- Bosentan Impurity 12 (CAS CATO-C4X-156412)
Recommended Standards
- [(1S,2R)-3-[[(4-Nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-phenylmethyl)propyl]carbamic Acid, (3S)-Tetrahydro-3-furanyl Ester (CAS 160231-69-6)
- 3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine (CAS 154925-95-8)
- 4'-Demethyl Homoharringtonine-13C,d3 (CAS 1217669-36-7)
- Vericiguat Impurity 61 (CAS CATO-C4X-289661)
- Tamsulosin EP Impurity C (CAS 2244986-82-9)
- Tert-butyl (2-methyl-1-oxo-1-(piperazin-1-yl)propan-2-yl)carbamate (CAS 1303890-06-3)
- Vonoprazan Impurity 209 (CAS 31543-47-2)
- 5-Bromo-N-cyclohexyl-4-methyl-2-pyridinamine (CAS 1220035-72-2)
- 2-Cyclohexyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 6772-63-0)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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