Edaravone Impurity 21 CAS 177415-76-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 177415-76-8 |
| Molecular Formula | C20H18N4O2 |
| Molecular Weight | 346.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Edaravone Impurity 21 (CAS 177415-76-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H18N4O2. Molecular weight: 346.38 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H18N4O2 |
| Molecular Weight | 346.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 4 |
Related Edaravone Standards
- Edaravone Impurity 5 (CAS 7477-67-0)
- Edaravone Glucuronide (CAS 67566-02-3)
- Edaravone impurity 38 (CAS CATO-C4X-106238)
- Edaravone impurity 54 (CAS CATO-C4X-106254)
- Edaravone Impurity N5 (CAS 16394-90-4)
- Edaravone Impurity 14 (CAS CATO-C4X-106214)
- Edaravone impurity 39 (CAS CATO-C4X-106239)
- Edaravone Impurity 59 (CAS CATO-C4X-106259)
Recommended Standards
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- N-(1-(Tetrahydrofuran-3-yl)-1H-pyrazol-4-yl)furan-2-carboxamide (CAS 1797086-38-4)
- (R)-4-((4-methoxybenzyl)oxy)butane-1,2-diol (CAS 213978-61-1)
- N-((1-(Difluoromethyl)-1H-pyrazol-5-yl)methyl)-1-ethyl-3-methyl-1H-pyrazol-4-amine hydrochloride (CAS 1856090-61-3)
- 7-Amino-3-chloroquinoline-8-carbonitrile (CAS 88362-40-7)
- Insulin degludec (CAS 844439-96-9)
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