Iohexol Impurity N9 CAS 122731-58-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 122731-58-2 |
| Molecular Formula | C11H12N2O7 |
| Molecular Weight | 284.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Iohexol Impurity N9 (CAS 122731-58-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12N2O7. Molecular weight: 284.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O7 |
| Molecular Weight | 284.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related Iohexol Standards
- Iohexol impurity 37 (CAS CATO-C4X-166437)
- Iohexol Impurity 16 (CAS 76820-34-3)
- Iohexol EP Impurity K (CAS 35453-19-1)
- Iohexol Impurity 13 (CAS 122731-74-2)
- Iohexol Impurity 11 (CAS 76820-35-4)
- Iohexol EP Impurity F HCl (4,6-diiodo Isomer) (CAS CATO-C4X-166423)
- Iohexol EP Impurity G (Mixture of Isomers) (CAS CATO-C4X-166424)
- Iohexol Impurity 27 (CAS CATO-C4X-166427)
Recommended Standards
- 3-[1-(2,4-difluorophenyl)-2,5-dioxoimidazolidin-4-yl]propanoic acid (CAS 1191107-64-8)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(tert-butyl)thiophen-2-yl)boronate (CAS 1251848-80-2)
- 117346-07-3 2-(2-Hydroxy-4-nitrophenyl)-1H-isoindole-1,3(2H)-dione N-(2-Hydroxy-4-nitrophenyl)phthalimide (CAS 117346-07-3)
- Propranolol Impurity 55 (CAS CATO-C4X-151955)
- Doxylamine EP Impurity A (CAS 873407-01-3)
- 4-Hydroxy-2-nitrobenzo[d]oxazole (CAS 1804412-78-9)
- (4-(Imino(methoxy)methyl)phenyl)boronic acid (CAS 874348-09-1)
- 2-(azetidin-1-yl)acetaldehyde (CAS 1553230-90-2)
- 4-Amino-2-(5-chlorobenzo[d]oxazol-2-yl)-6-methylphenol (CAS 874592-17-3)
- Pheromone Biosynthesis Activating Neuropeptide (Helicoverpa assulta, Heliothis zea) (CAS 122071-54-9)
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