Isoxazole-4,5-dicarbonitrile CAS 1256633-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1256633-32-5 |
| Molecular Formula | C5HN3O |
| Molecular Weight | 119.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isoxazole-4,5-dicarbonitrile (CAS 1256633-32-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5HN3O. Molecular weight: 119.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5HN3O |
| Molecular Weight | 119.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Related Isoxazole Standards
- Isoxazole-3-carboxylic acid (CAS 3209-71-0)
- Isoxazole-4-boronic Acid (CAS 1008139-25-0)
- Isoxazole-5-carboxamide (CAS 89032-77-9)
- Isoxazole-4-acetic Acid (CAS 141679-57-4)
- Isoxazole-4-carboxylic acid methyl ester (CAS 15166-81-1)
- Isoxazole-4-carbohydrazide (CAS 885273-78-9)
- Isoxazole-3-carbothioamide (CAS 886371-53-5)
- Isoxazole-4-carbothioamide (CAS 885274-81-7)
Recommended Standards
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- 2,3,4,6-Tetra(9H-carbazol-9-yl)-5-fluorobenzonitrile (CAS 1819362-10-1)
- 2-(Difluoromethyl)-3-methoxy-4-nitropyridine-5-carboxylic acid (CAS 1805466-18-5)
- Methyl 4-amino-6-fluoronicotinate, 97% (CAS 1806662-80-5)
- 2-(Difluoromethyl)-3-fluoro-5-hydroxypyridine-6-sulfonamide (CAS 1806975-28-9)
- Methyl 4-bromo-2,3-dihydro-1H-indene-2-carboxylate (CAS 209225-06-9)
- 2-(5-Fluoro-1H-benzo[d]imidazol-2-yl)acetic acid (CAS 115201-19-9)
- (Ser(PO?H?)2?2)-Tau Peptide (260-264) PAb Blocking trifluoroacetate salt (CAS 2022956-57-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com