5-Ethynyl-1-methyl-4-nitro-1H-pyrazole CAS 2228530-09-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2228530-09-2 |
| Molecular Formula | C6H5N3O2 |
| Molecular Weight | 151.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynyl-1-methyl-4-nitro-1H-pyrazole (CAS 2228530-09-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5N3O2. Molecular weight: 151.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5N3O2 |
| Molecular Weight | 151.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
Related Ethynyl Standards
- 4-Ethynyl-1-methyl-5-nitro-1H-pyrazole (CAS 1823445-08-4)
- 4-Ethynyl-5-fluoro-2-methoxypyridine (CAS 1211584-33-6)
- 5-Ethynyl-3-fluoro-2-methoxypyridine (CAS 1211587-10-8)
- 6-Ethynyl-3-fluoro-2-methoxypyridine (CAS 1393557-99-7)
- 3-Ethynyl-2-fluoro-6-methoxypyridine (CAS 1824205-11-9)
- a-Ethynyl-a,5-dimethyl-3-isoxazolemethanol (CAS 1202769-66-1)
- 4-ethynyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1147014-44-5)
- 5-ethynyl-1H-pyrazolo[3,4-b]pyridine (CAS 1207351-15-2)
Recommended Standards
- 5-Cyano-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 81303-59-5)
- 5-Formylnicotinic acid (CAS 893723-55-2)
- 5,7-Dihydroxyimidazo[1,2-α]pyrimidine (CAS 51647-90-6)
- 2,3,6-Trichloro-5-(difluoromethyl)pyridine (CAS 1361855-57-3)
- 6-Methylpyrimidin-2(1H)-one (CAS 15231-67-1)
- 3-Acetyl-4-(3,4-difluorophenyl)-6-fluoroquinolin-2(1H)-one (CAS 1283109-72-7)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(o-tolyl)pyridine (CAS 1402172-14-8)
- Phenylephrine Impurity 47 (CAS 57196-61-9)
- <SC>DL</SC>-Sodium 3-hydroxybutyrate-1-<SUP>13</SUP>C (CAS 1173022-79-1)
- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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