Ioversol Impurity 19 CAS CATO-C4X-209119
| CAS No. | CATO-C4X-209119 |
| Molecular Formula | C18H24I3N3O8 |
| Molecular Weight | 791.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ioversol Impurity 19 (C18H24I3N3O8) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 791.11 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ioversol Impurity 19 (CAS CATO-C4X-209119) is a certified pharmaceutical impurity reference standard with the molecular formula C18H24I3N3O8 and a molecular weight of 791.11 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Ioversol Impurity 19 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H24I3N3O8 |
| Molecular Weight | 791.11 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related Ioversol Standards
- Ioversol Impurity 12 (CAS 70894-76-7)
- Ioversol Impurity 18 (CAS CATO-C4X-209118)
- Ioversol Impurity 20 (CAS CATO-C4X-209120)
- Ioversol impurity 28 (CAS CATO-C4X-209128)
- Ioversol impurity 29 (CAS CATO-C4X-209129)
- Ioversol impurity 31 (CAS CATO-C4X-209131)
- Ioversol Impurity 5 (CAS 104517-96-6)
- Ioversol (CAS 87771-40-2)
Recommended Standards
- 1,2-Distearoyl-rac-glycero-3-phosphocholine 2,3-bis(stearoyloxy)propyl 2-(trimethylammonio)ethyl phosphate 816-93-3 (CAS 816-93-3)
- Iopromide Impurity 23 (CAS CATO-C4X-183223)
- (2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(6-chloro-9H-purin-9-yl)-4-fluorotetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite (CAS 2803878-95-5)
- Iopromide (CAS 73334-07-3)
- Rosuvastatin Impurity 24 (CAS 894787-93-0)
- Famotidine Impurity 34 (CAS CATO-C4X-139234)
- Dalilesen Impurity 7 (CAS 1505484-85-4)
- 1-(Tert-butoxy)-4-(trifluoromethyl)benzene (CAS 16222-44-9)
- Propranolol Impurity 56 (CAS CATO-C4X-151956)
- N-((2R,3R,4R,5S,6R)-2-(hexadecyloxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide (CAS 115414-49-8)
- 4-Chloro-3-(piperidin-1-yl)benzoic acid (CAS 886501-28-6)
- (4-(2-chlorophenyl)thiazol-2-yl)methyl (methanesulfonate) (CAS 1050507-05-5)
- (E)-2-(allylamino)-3-((allylimino)methyl)-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 469879-22-9)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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 18665070610 / Nicole.chen@cato-chem.com