3-Isopropoxyisoxazole-5-carboxylic acid CAS 1086391-25-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1086391-25-4 |
| Molecular Formula | C7H9NO4 |
| Molecular Weight | 171.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Isopropoxyisoxazole-5-carboxylic acid (CAS 1086391-25-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9NO4. Molecular weight: 171.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H9NO4 |
| Molecular Weight | 171.15 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 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Methyl 2-(3-methyl-5-oxo-4,5-dihydro-1,2-oxazol-4-yl)acetate (CAS 107575-76-8)
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- Ethyl 4-(hydroxymethyl)-1H-1,2,3-triazole-1-carboxylate (CAS 106134-75-2)
- [(2-methoxypyridin-3-yl)methyl](methyl)amine (CAS 677349-97-2)
- 1-(3-Bromobut-3-en-1-yl)-2,4-dimethylbenzene (CAS 951891-72-8)
- 1-(4-(Trifluoromethyl)phenyl)propan-1-amine (CAS 885276-54-0)
- 2-[Chloro(difluoro)methoxy]-6-fluoro-benzonitrile (CAS 1404193-92-5)
- 2-(Cyclohexylmethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1346708-02-8)
- 4-Chlorophenyl (3Z)-3-{[(4-nitrophenyl)methoxy]imino}propanoate (CAS 338395-26-9)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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