3-Oxo-2,3-dihydropyridazine-4-carbohydrazide CAS 2125-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2125-91-9 |
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Oxo-2,3-dihydropyridazine-4-carbohydrazide (CAS 2125-91-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N4O2. Molecular weight: 154.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Oxo Standards
- 6-Oxo-1,6-dihydropyridazine-4-carbohydrazide (CAS 867130-57-2)
- 1-Acetyl-1,2-dihydropyridazine-3,6-dione (CAS 16044-44-3)
- 6-oxo-1,6-dihydropyridazine-3-carbohydrazide (CAS 98021-39-7)
- 57658-96-5 6-Oxo-1,6-dihydropyridazine-3-carbonyl chloride DTXSID00587447 (CAS 57658-96-5)
- 4-oxo-1,4-dihydropyridazine-3-carboxylic acid (CAS 17417-55-9)
- 6-Oxo-1,6-dihydropyridazine-4-carboxylic Acid (CAS 867130-58-3)
- Methyl 2,3-dihydropyridazine-1(6H)-carboxylate (CAS 104799-03-3)
- 3-Oxo-2,3-dihydropyridazine-1(6H)-carboxamide (CAS 193197-96-5)
Recommended Standards
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- 4-Acetyl-4H-1,2,4-triazole-3-carboxamide (CAS 62735-13-1)
- 3-Nitropyridine-2,4-diamine (CAS 24501-21-1)
- 2-(2-(Aminomethyl)thiazol-4-yl)acetic acid (CAS 933753-13-0)
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- 5,7-Dichloro-1-methylpyrido[3,4-d]pyridazin-4(3H)-one (CAS 1390658-27-1)
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