Isoxazole-3,5-dicarboxylicacid CAS 89379-30-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89379-30-6 |
| Molecular Formula | C5H3NO5 |
| Molecular Weight | 157.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isoxazole-3,5-dicarboxylicacid (CAS 89379-30-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H3NO5. Molecular weight: 157.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H3NO5 |
| Molecular Weight | 157.08 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-Nitroimidazole-4-carboxylic Acid (CAS 40507-59-3)
- Violuric Acid (CAS 87-39-8)
- 5-Nitrofuran-3-carboxylic acid (CAS 770-07-0)
- 1-(3-(Pyrrolidin-1-yl)prop-1-yn-1-yl)cyclohexan-1-ol hydrochloride (CAS 1135240-92-4)
- 4'-(Benzyloxy)-3'-formyl[1,1'-biphenyl]-3-carbonitrile (CAS 893735-61-0)
- 3-Aminoindan-1-one (CAS 117291-44-8)
- (3-(Cyanomethoxy)phenyl)boronic acid (CAS 947533-25-7)
- 2-[4-(2-oxopyrrolidin-1-yl)phenyl]acetic acid (CAS 266369-35-1)
- 2-chloro-N-[1-(2-fluorophenyl)-3-methyl-1H-pyrazol-5-yl]acetamide (CAS 1269151-35-0)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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