3,5-Diiodo-4-methyl-1H-pyrazole CAS 866639-16-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866639-16-9 |
| Molecular Formula | C4H4I2N2 |
| Molecular Weight | 333.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Diiodo-4-methyl-1H-pyrazole (CAS 866639-16-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4I2N2. Molecular weight: 333.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4I2N2 |
| Molecular Weight | 333.90 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Diiodo Standards
- 2,5-Diiodo-4-methylimidazole (CAS 149510-85-0)
- 2,4-Diiodo-1-methyl-1H-imidazole (CAS 71794-53-1)
- 3,4-Diiodo-5-methyl-1H-pyrazole (CAS 6715-87-3)
- 4,5-Diiodo-1-methylimidazole (CAS 37067-96-2)
- 4,5-Diiodo-2-methylimidazole (CAS 73746-44-8)
- 2,5-diiodo-1-methyl-1H-imidazole (CAS 86026-81-5)
- 1,5-Diiodo-3-methylpentane (CAS 51174-46-0)
- 4,5-diiodo-1-methyl-triazole (CAS 1248676-71-2)
Recommended Standards
- 3-Bromo-2,4-difluoro-6-iodoaniline (CAS 2219373-70-1)
- 2,6-Dichloro-3-iodo-5-nitropyridin-4-amine (CAS 2064258-72-4)
- 3-Bromo-2,5-difluoro-4-iodoaniline (CAS 2852766-94-8)
- 3-Methylphthalaldehyde (CAS 147119-69-5)
- 3-(Tert-butyl) 1-methyl 3-azabicyclo[4.1.0]Heptane-1,3-dicarboxylate (CAS 1192688-49-5)
- 3-(2-(Heptadec-8-en-1-yl)-1-(2-hydroxyethyl)-4,5-dihydro-1H-imidazol-1-ium-1-yl)propanoate (CAS 67892-37-9)
- (2s,3s)-2-(9h-Fluoren-9-ylmethoxycarbonylamino)-3-(2-naphthyl)butanoicacid (CAS 208582-08-5)
- 1-(2,3-Dihydro-1h-inden-2-yl)propan-1-one (CAS 33982-87-5)
- 2-{[4-(2,4-dimethylbenzenesulfonamido)phenyl]formamido}acetic acid (CAS 796083-83-5)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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