3,4-Dicyano-1,2,5-oxadiazole 2-oxide CAS 17557-81-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17557-81-2 |
| Molecular Formula | C4N4O2 |
| Molecular Weight | 136.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-Dicyano-1,2,5-oxadiazole 2-oxide (CAS 17557-81-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4N4O2. Molecular weight: 136.07 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4N4O2 |
| Molecular Weight | 136.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- CAS 2102183-90-2 (CAS 2102183-90-2)
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- (2,5-Dimethyl-1-(o-tolyl)-1h-pyrrol-3-yl)methanamine (CAS 938120-91-3)
- (OC-6-31)-[2,6-Bis[[bis(1,1-dimethylethyl)phosphino-κP]methyl]pyridine-κN]triiodomolybdenum (CAS 2279899-25-9)
- 2-Methylpyrimidine-5-carbohydrazide (CAS 1266378-04-4)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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