1,1'-Oxalyldiimidazole CAS 18637-83-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18637-83-7 |
| Molecular Formula | C8H6N4O2 |
| Molecular Weight | 190.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1,1'-Oxalyldiimidazole (CAS 18637-83-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H6N4O2. Molecular weight: 190.16 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H6N4O2 |
| Molecular Weight | 190.16 g/mol |
| Appearance | Pale yellow to 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 7-Nitroquinolin-8-ol (CAS 18472-01-0)
- 2-(4-Nitrophenyl)-2H-1,2,3-triazole (CAS 18922-72-0)
- 5-Hydroxyquinoxaline-6-carboxylic acid (CAS 184712-12-7)
- 6-(4,6-Dioxo-1,4,5,6-tetrahydropyrimidin-2-yl-amino)hexanoic acid trifluoroacetate (CAS 1185302-11-7)
- Crustacean Erythrophore Concentrating Hormone (CAS 37933-92-9)
- 2-((4-(Tert-butyl)benzyl)thio)-7-chloro-5-fluorobenzo[d]oxazole (CAS 866010-50-6)
- Arsenic(III) sulfide (99.9%-As) (CAS 1303-33-9)
- 4-Chloro-3-fluoro-2-methoxybenzophenone (CAS 750633-56-8)
- Tert-butyl n-(oxolan-2-ylmethyl)-N-(piperidin-4-yl)carbamate (CAS 1305712-04-2)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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