Iohexol EP Impurity K CAS 35453-19-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 35453-19-1 |
| Molecular Formula | C8H4I3NO4 |
| Molecular Weight | 558.84 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Iohexol EP Impurity K (CAS 35453-19-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H4I3NO4. Molecular weight: 558.84 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H4I3NO4 |
| Molecular Weight | 558.84 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Iohexol Standards
- Iohexol EP Impurity F (CAS 1215856-35-1)
- Iohexol Impurity 29 (CAS CATO-C4X-166429)
- Iohexol EP Impurity H (4,6-diiodo Isomer) (Mixture of Diastereomers) (CAS 1651211-79-8)
- Iohexol EP Impurity L (CAS 37441-29-5)
- Iohexol Impurity 52 (CAS CATO-C4X-166452)
- Iohexol Impurity 32 (CAS CATO-C4X-166432)
- Iohexol Impurity 33 (CAS CATO-C4X-166433)
- Iohexol Impurity G (2,4-diiodo Isomer) (CAS CATO-C4X-166422)
Recommended Standards
- 81686-22-8 ETH 2120 N,N,N inverted exclamation marka,N inverted exclamation marka-Tetracyclohexyl-1,2-phenylenedioxydiacetamide Sodium ionophore III (CAS 81686-22-8)
- Prop-1-ene-1,2-diylbis(triphenylsilane) (CAS 18919-82-9)
- (4R,4'R)-2,2'-(1,3-Bis(4-(tert-butyl)phenyl)propane-2,2-diyl)bis(4-(tert-butyl)-4,5-dihydrooxazole) (CAS 2283330-44-7)
- Dapagliflozin Impurity 15 (CAS CATO-C4X-113815)
- Esomeprazole Impurity 105 (CAS 86604-78-6)
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- 1-(4-Chloro-6-methylpyrimidin-2-yl)piperidin-3-ol (CAS 1261231-34-8)
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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