Mianserin impurity 18 CAS 57257-81-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 57257-81-5 |
| Molecular Formula | C18H20N2O |
| Molecular Weight | 280.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Mianserin impurity 18 (CAS 57257-81-5) pharmacopoeial impurity standards reference standard. Molecular formula: C18H20N2O. Molecular weight: 280.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H20N2O |
| Molecular Weight | 280.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
Related Mianserin Standards
- Mianserin Impurity 19 (CAS 62510-46-7)
- Mianserin impurity 35 (CAS CATO-C4X-136935)
- Mianserin EP Impurity A (CAS 57321-32-1)
- Mianserin Impurity 84 (CAS CATO-C4X-136984)
- Mianserin impurity 43 (CAS 13665-04-8)
- Mianserin Impurity 97 (CAS 85141-92-0)
- Mianserin impurity 55 (CAS CATO-C4X-136955)
- Mianserin Impurity 60 (CAS 21535-46-6)
Recommended Standards
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- Ibuprofen Impurity 83 (CAS 64622-21-5)
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- Omadacycline Impurity 50 (CAS CATO-C4X-285750)
- Topiroxostat Impurity 30 (CAS CATO-C4X-105530)
- 2-(((3-Chloro-4-methoxyphenyl)amino)methyl)phenol (CAS 1019595-94-8)
- N-(5-bromo-3-methylpyridin-2-yl)-N-methylpivalamide (CAS 245765-92-8)
- 2-[3,4-Dihydro-2(1H)-isoquinolinylmethyl]-4-fluoroaniline (CAS 1153396-37-2)
- 3-[(3-Methylbenzyl)oxy]benzoyl chloride (CAS 1160260-01-4)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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