(S)-Cetirizine Propanediol Ester CAS CATO-C4X-158212
| CAS No. | CATO-C4X-158212 |
| Molecular Formula | C24H31ClN2O4 |
| Molecular Weight | 446.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 446.97 g/mol gives (S)-Cetirizine Propanediol Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-Cetirizine Propanediol Ester (CAS CATO-C4X-158212), molecular formula C24H31ClN2O4 and molecular weight 446.97 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-Cetirizine Propanediol Ester (C24H31ClN2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 446.97 g/mol, it falls into the moderately-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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), (S)-Cetirizine Propanediol Ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H31ClN2O4 |
| Molecular Weight | 446.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related S Standards
- Cetirizine Impurity 39 (CAS CATO-C4X-108339)
- Cetirizine Impurity 16 (CAS CATO-C4X-158216)
- Cetirizine impurity 31 (CAS CATO-C4X-158231)
- Cetirizine Impurity 17 (CAS CATO-C4X-158217)
- Cetirizine EP Impurity E (CAS 682323-77-9)
- Cetirizine Dihydrochloride EP Impurity E (CAS CATO-C4X-108351)
- Cetirizine Impurity 34 (Mixture of Diastereomers) (CAS 1243652-36-9)
- Cetirizine Impurity 18 (CAS CATO-C4X-158218)
Recommended Standards
- Levocetirizine Impurity 65 (CAS CATO-C4X-108365)
- Cisapride Impurity 3 (CAS 105249-06-7)
- Levocetirizine Impurity 49 (CAS CATO-C4X-108349)
- Benzobicyclon (CAS 156963-66-5)
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- 2-Chloro-N-(5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)acetamide (CAS 42458-71-9)
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- 4-Methyl-3-oxo-4-(1H-1,2,4-triazol-1-yl)pentanenitrile (CAS 320420-58-4)
- 6,7-Dimethylquinoline-2-carbaldehyde (CAS 1216075-00-1)
- 4-({[(2,6-dichlorobenzoyl)amino]carbonyl}amino)-3-fluorobenzenesulphonyl fluoride (CAS 284674-48-2)
- 2-Hydrazinyl-1-isopentyl-1H-benzo[d]imidazole (CAS 615281-73-7)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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