2-(3-Hydroxyisoxazol-5-yl)acetic acid CAS 54489-27-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54489-27-9 |
| Molecular Formula | C5H5NO4 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Hydroxyisoxazol-5-yl)acetic acid (CAS 54489-27-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5NO4. Molecular weight: 143.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5NO4 |
| Molecular Weight | 143.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Hydroxyisoxazol Standards
- 2-(5-Hydroxyisoxazol-3-yl)acetic acid (CAS 178168-21-3)
- 5-Hydroxyisoxazol-3(2H)-one (CAS 675198-91-1)
- Methyl 4-(3-hydroxyisoxazol-5-yl)piperidine-1-carboxylate (CAS 439944-71-5)
- Methyl 4-(3-hydroxyisoxazol-5-yl)-4-methylpiperidine-1-carboxylate (CAS 439944-47-5)
- Benzyl 4-(3-hydroxyisoxazol-5-yl)piperidine-1-carboxylate (CAS 167414-76-8)
Recommended Standards
- 2-(3-Hydroxy-1H-1,2,4-triazol-5-yl)acetic acid (CAS 70486-43-0)
- 2-(5-Amino-2h-1,2,3,4-tetrazol-2-yl)acetic acid (CAS 21743-72-6)
- 1-Methyl-5-nitro-1,3-dihydro-2H-imidazol-2-one (CAS 63062-13-5)
- 1,2-Dimethyl-1h-benzo[d]imidazole-4-carboxylic acid (CAS 208772-09-2)
- 5-Fluoro-N-(piperidin-3-yl)pyrimidin-2-amine hydrochloride (CAS 1261230-29-8)
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- 2-methylsulfanyl-6-(3,3,3-trifluoroprop-1-ynyl)-1H-quinazolin-4-one (CAS 2538082-81-2)
- D,L-Sulforaphane L-cysteine (CAS 364083-21-6)
- N1-((1-Hydroxycyclopentyl)methyl)-N2-(2-methoxyethyl)oxalamide (CAS 1219912-06-7)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
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