Ammonium 5-(Carbamoyl)isoxazol-3-olate CAS 81965-22-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81965-22-2 |
| Molecular Formula | C4H4N2O3 H3N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ammonium 5-(Carbamoyl)isoxazol-3-olate (CAS 81965-22-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4N2O3 H3N. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O3 H3N |
| Molecular Weight | 145.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 3 |
Related Ammonium Standards
- 5-Carbamoyl-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 1006458-34-9)
- 4-Carbamoyl-1-methyl-1h-pyrazole-3-carboxylic acid (CAS 1006458-39-4)
- 2-(4-Carbamoyl-1h-pyrazol-1-yl)acetic acid (CAS 1006458-44-1)
- 2-(3-Carbamoyl-1h-pyrazol-1-yl)acetic acid (CAS 1006458-58-7)
- 3-(3-Carbamoyl-1h-pyrazol-1-yl)propanoic acid (CAS 1006458-61-2)
- 3-Carbamoyl-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 1006484-30-5)
- 2-(4-Carbamoyl-1H-pyrazol-1-yl)propanoic acid (CAS 1006484-32-7)
- 2-(3-Carbamoyl-1h-pyrazol-1-yl)propanoic acid (CAS 1006484-42-9)
Recommended Standards
- 2-(3,4-Dichlorophenyl)benzo[d]thiazol-5-amine (CAS 945533-80-2)
- Tert-butyl 4-(aminomethyl)-4-(4-chlorophenyl)piperidine-1-carboxylate (CAS 669068-16-0)
- 4-(Azetidin-3-yl)benzonitrile (CAS 7215-03-4)
- Fmoc-L-Phe(3-NH2)-OH (CAS 223581-75-7)
- 1,3-Dihydroxy-2,5-dimethylbenzene 2,5-Dimethylresorcinol 488-87-9 D2748 p-Xylene-2,6-diol (CAS 488-87-9)
- 3-Amino-1-(2-ethylpiperidin-1-yl)propan-1-one (CAS 1094799-31-1)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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