2-Ethyl-5-nitroindazole CAS 5228-50-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5228-50-2 |
| Molecular Formula | C21H19NO2S3 |
| Molecular Weight | 413.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethyl-5-nitroindazole (CAS 5228-50-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H19NO2S3. Molecular weight: 413.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H19NO2S3 |
| Molecular Weight | 413.58 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |
Related Ethyl Standards
- 5-Nitroindazole-1-carboxylic acid tert-butyl ester (CAS 129488-09-1)
- 6-Nitroindazole-3-carboxylic acid, 97% (CAS 857801-97-9)
- 3-Methyl-6-nitroindazole (CAS 6494-19-5)
- 5-Methyl-6-nitroindazole (CAS 72521-00-7)
- 5-Nitroindazole (CAS 5401-94-5)
- 7-Nitroindazole (CAS 2942-42-9)
- 7-Nitroindazole (sodium) (CAS 161467-34-1)
Recommended Standards
- N-Cyclohexyl-3-(1-tosylpiperidin-2-yl)pyridin-2-amine (CAS 1352529-45-3)
- N-{2-[2,4-Di(tert-butyl)phenoxy]ethyl}-2-(2-ethoxyethoxy)aniline (CAS 1040691-32-4)
- Pivmecillinam EP Impurity C (CAS CATO-C4X-23233)
- 1-(2-Hydroxyethyl)-4-methyl-5-(2-(trifluoromethyl)phenyl)-1H-pyrrole-3-carboxylic acid (CAS 1632002-11-9)
- 4-Methylpyrazolidin-3-one (CAS 10234-74-9)
- 4-[(4-acetylpiperazin-1-yl)sulfonyl]benzoic acid (CAS 881932-99-6)
- 3-(3-Bromophenyl)-1,1,1-trifluoropropan-2-one (CAS 898787-59-2)
- 3-([1,2,3]Thiadiazol-5-ylsulfanyl)-propionic acid ethyl ester (CAS 93091-09-9)
- 1-(3-Methoxyphenyl)-3-(m-tolyl)propan-1-one (CAS 898790-39-1)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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