Candesartan Cilexetil Impurity 42 CAS CATO-C4X-123442
| CAS No. | CATO-C4X-123442 |
| Molecular Formula | C43H34N6O3 |
| Molecular Weight | 682.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Candesartan Cilexetil Impurity 42 (CAS CATO-C4X-123442) is a certified pharmaceutical impurity reference standard with the molecular formula C43H34N6O3 and a molecular weight of 682.77 g/mol.
Structurally, Candesartan Cilexetil Impurity 42 (C43H34N6O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 30.0, corresponding to approximately 30 ring(s) or double-bond equivalent(s). With a molecular weight of 682.77 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Candesartan Cilexetil Impurity 42 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 | C43H34N6O3 |
| Molecular Weight | 682.77 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 |
| Degree of Unsaturation (DBE) | 30.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
Related Candesartan Standards
- Candesartan Methyl Ester N1-Trityl Methoxy Analog (CAS 1246815-58-6)
- Candesartan Cilexetil Impurity 9 (CAS 139481-72-4)
- Candesartan N2-Trityl Methoxy Analog (CAS 1797918-38-7)
- Candesartan Cilexetil Impurity 35 (CAS 1867269-67-7)
- Candesartan Cilexetil Impurity 15 (CAS 1797985-81-9)
- Candesartan Cilexetil Impurity 17 (CAS 856414-35-2)
- Candesartan Impurity 7 (CAS CATO-C4X-15727)
- Candesartan Cilexetil Impurity 44 (CAS CATO-C4X-123444)
Recommended Standards
- Dabigatran Impurity 99 (CAS CATO-C4X-108999)
- N-Trityl Candesartan Methyl Ester Methoxy Analogue (CAS 1797136-91-4)
- Posaconazole Impurity 172 (CAS CATO-C4X-1208172)
- Posaconazole Impurity 60 (CAS CATO-C4X-120860)
- Apixaban Impurity 34 (CAS 1619934-76-7)
- Avanafil Impurity 132 (CAS CATO-C4X-1118132)
- Bumetanide Impurity 99 (CAS CATO-C4X-198699)
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- N-(5-Chloro-2-methylphenyl)-6-(1H-pyrazol-1-yl)pyridazine-3-carboxamide (CAS 1351594-90-5)
- 6-(Pyridin-2-yl)-1,3,5-triazine-2,4-diamine (CAS 25007-79-8)
- 6-Chlorobenzo[d]thiazole-2-carbonitrile (CAS 26649-59-2)
- 2-Octadecyleicosanoic acid (CAS 108293-08-9)
- 4-Amino-N-(3-fluorophenyl)benzenesulfonamide (CAS 1494-84-4)
- Neuropeptide Y (1-24) amide (human, rat) (CAS 131448-51-6)
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