rac-Iopamidol EP Impurity J CAS 76349-97-8
| CAS No. | 76349-97-8 |
| Molecular Formula | C16H20I3N3O7 |
| Molecular Weight | 747.06 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 747.06 g/mol gives rac-Iopamidol EP Impurity J distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, rac-Iopamidol EP Impurity J (CAS 76349-97-8, C16H20I3N3O7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, rac-Iopamidol EP Impurity J (C16H20I3N3O7) 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 747.06 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.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures rac-Iopamidol EP Impurity J 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 | C16H20I3N3O7 |
| Molecular Weight | 747.06 g/mol |
| Purity | 97%+ |
| 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 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related rac Standards
- Iopamidol EP Impurity C (CAS 87932-07-8)
- Iopamidol EP Impurity J (CAS 77868-44-1)
- Iopamidol EP Impurity F (CAS 1869069-71-5)
- Iopamidol EP Impurity B (CAS 77868-41-8)
- Iopamidol, 98% (CAS 60208-45-9)
- Iopamidol Impurity 46 (CAS CATO-C4X-145046)
- Iopamidol Impurity 53 (CAS CATO-C4X-145053)
- Iopamidol Impurity 47 (CAS CATO-C4X-145047)
Recommended Standards
- Iohexol EP Impurity A (CAS 31127-80-7)
- 4,4''-Bis(triphenylsilyl)-1,1':4',1''-terphenyl (CAS 1046146-39-7)
- CAS 86531-55-7 (CAS 86531-55-7)
- 3,9-Diundecyl-12,13-dihydro-[1,2,5]thiadiazolo[3,4-e]thieno[2'',3'':4',5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2-b]indole (CAS 2304444-51-5)
- Cefmenoxime Impurity 13 (CAS CATO-C4X-147713)
- Maribavir Impurity 9 (CAS CATO-C4X-30079)
- Crisaborole Impurity 49 (CAS CATO-C4X-202149)
- N-(5-(Chloromethyl)thiazol-2-yl)acetamide (CAS 1092696-77-9)
- (S)-1-(2-((Cyclopropylamino)methyl)pyrrolidin-1-yl)ethanone (CAS 1354017-48-3)
- Methyl 4-(1H-pyrrole-2-carboxamido)butanoate (CAS 1706441-61-3)
- 5-Iodo-1H-imidazole-4-carbaldehyde (CAS 189014-12-8)
- [1,1':1',1''-Tercyclopropane]-2'-carboxylic acid (CAS 38693-86-6)
- 5-((4-(tert-Butyl)-2-chlorophenoxy)methyl)-1,3,4-oxadiazol-2-amine (CAS 1706452-11-0)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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