4-Amino-5-chloropyridazin-3(2H)-one CAS 55271-58-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55271-58-4 |
| Molecular Formula | C4H4ClN3O |
| Molecular Weight | 145.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-5-chloropyridazin-3(2H)-one (CAS 55271-58-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4ClN3O. Molecular weight: 145.55 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4ClN3O |
| Molecular Weight | 145.55 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 3-Amino-5-chloropyrazin-2(1H)-one (CAS 1303587-96-3)
- 5-Amino-2-chloropyrimidin-4-ol (CAS 1353777-47-5)
- 2-Amino-5-chloropyrimidin-4(3H)-one (CAS 89033-81-8)
- 4-Amino-1H-imidazole-5-carbonyl chloride (CAS 938443-47-1)
- 4-Amino-2-chloro-5-hydroxypyrimidine (CAS 943995-31-1)
- 4-Amino-5-chloropyrimidin-2(1H)-one (CAS 2347-43-5)
- 4-Amino-6-chloro-5-hydroxypyrimidine (CAS 38953-42-3)
- 4-Amino-6-chloropyrimidin-2-ol (CAS 3289-35-8)
Recommended Standards
- 4-chloro-1H-pyrazole-3-carboxamide (CAS 33064-37-8)
- 6-Chloro-4-methyl-1,3,5-triazin-2(1H)-one (CAS 1303967-52-3)
- 5-Amino-6-chloro-1H-pyrimidin-4-one (CAS 3137-60-8)
- ((R)-2,2,2-Trifluoro-1-methylethyl)benzene 1212732-22-3 (CAS 1212732-22-3)
- n-[(3-amino-4-methoxyphenyl)methyl]acetamide (CAS 1179030-28-4)
- N-benzyl-N-methyl-1-(piperidin-2-yl)methanamine dihydrochloride (CAS 1220019-08-8)
- N-{[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]methyl}furan-2-carboxamide (CAS 866018-57-7)
- (S)-2-(tert-butoxycarbonyl)-2-(methylamino)-4-phenylbutanoic acid (CAS 110755-73-2)
- 6-acetyl-2,3-dihydropyridazin-3-one (CAS 19195-01-8)
- Galanin-Like Peptide (porcine) trifluoroacetate salt (CAS 245114-96-9)
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