4-amino-2,3-dihydropyridazin-3-one CAS 55271-46-0
| CAS No. | 55271-46-0 |
| Molecular Formula | C4H9N3O |
| Molecular Weight | 115.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 115.13 g/mol gives 4-amino-2,3-dihydropyridazin-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-amino-2,3-dihydropyridazin-3-one (CAS 55271-46-0), molecular formula C4H9N3O and molecular weight 115.13 g/mol, is a CATO reference standard with documented purity and traceability.
4-amino-2,3-dihydropyridazin-3-one (C4H9N3O) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H9N3O |
| Molecular Weight | 115.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 4-Azidobutan-1-ol (CAS 54953-78-5)
- (R)-4-methylpent-1-en-3-amine hydrochloride (CAS 604783-86-0)
- (E)-4-(2-fluorophenyl)-2-(2-((3-methoxyphenyl)amino)vinyl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 866132-14-1)
- ((4-Bromo-2-chloro-3-methylbenzyl)oxy)(tert-butyl)dimethylsilane (CAS 2283377-98-8)
- 4-Isopropoxy-3-(trifluoromethyl)aniline (CAS 70338-45-3)
- 2-Hydroxymethyl-2,5-dihydro-pyrrole-1-carboxylic acid tert-butyl ester (CAS 186759-50-2)
- (2,3-Difluoropyridin-4-yl)methanamine (CAS 2111547-83-0)
- 2-Phenyl-4-((3-phenylprop-2-yn-1-yl)oxy)-4,5,6,7-tetrahydrobenzofuran (CAS 771477-54-4)
- N-butyl-2-hydroxy-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide (CAS 886913-14-0)
- Boc-Gln-OSu (CAS 18800-78-7)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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