Etizolam Impurity 7 CAS 91663-72-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 91663-72-8 |
| Molecular Formula | C14H9ClN4S |
| Molecular Weight | 300.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etizolam Impurity 7 (CAS 91663-72-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H9ClN4S. Molecular weight: 300.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H9ClN4S |
| Molecular Weight | 300.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Etizolam Standards
- Etizolam Impurity 15 (CAS 51687-58-2)
- Etizolam Impurity 12 (CAS 67727-22-4)
- Etizolam Impurity 20 (CAS 50508-61-7)
- Etizolam Impurity 8 (CAS 54123-29-4)
- Etizolam Impurity 14 (CAS 40054-57-7)
- Etizolam Impurity 27 (CAS CATO-C4X-350927)
- Etizolam Impurity 4 (CAS 110753-14-5)
- Etizolam Impurity 31 (CAS CATO-C4X-350931)
Recommended Standards
- 2-(5-Chlorothiophen-2-yl)imidazo[2,1-a]phthalazin-6-amine (CAS 565168-88-9)
- Methyl 4-chloro-3-hydroxy-5-(phenylthio)thiophene-2-carboxylate (CAS 104386-58-5)
- N-Nitroso Nerandomilast impurity 12 (CAS CATO-C4X-347312)
- Ilaprazole impurity 189 (CAS CATO-C4X-1130189)
- Lidocaine Impurity 73 (CAS CATO-C4X-167973)
- 3-(2-Ethoxyethoxy)-5-methoxythiophene-2-carboxylic acid (CAS 1707581-43-8)
- 5-Fluoro-1,3-dihydroisobenzofuran (CAS 57584-70-0)
- 2,2,2-trifluoroethyl N-(2-chloropyridin-3-yl)carbamate (CAS 1354963-28-2)
- 3-(difluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1339647-15-2)
- Mast Cell Degranulating Peptide (CAS 83856-13-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com