Citalopram Impurity 76 CAS CATO-C4X-110976
| CAS No. | CATO-C4X-110976 |
| Molecular Formula | C19H16FN3O3 |
| Molecular Weight | 353.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Citalopram Impurity 76 (CAS CATO-C4X-110976) is a certified pharmaceutical impurity reference standard with the molecular formula C19H16FN3O3 and a molecular weight of 353.35 g/mol.
Based on its molecular formula C19H16FN3O3, Citalopram Impurity 76 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 353.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 Citalopram Impurity 76 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 | C19H16FN3O3 |
| Molecular Weight | 353.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Citalopram Standards
- Citalopram Impurity 16 (CAS 762266-07-9)
- Citalopram Impurity 75 (CAS CATO-C4X-110975)
- Citalopram impurity 79 (CAS CATO-C4X-110979)
- Citalopram Impurity 65 (CAS CATO-C4X-110965)
- Citalopram-d6 N-Oxide (CAS 1189652-54-7)
- (R)-Citalopram-d6 N-Oxide (CAS 1217669-62-9)
- (S)-Citalopram-d6 N-Oxide (CAS 1217710-65-0)
- Citalopram Impurity 12 (CAS CATO-C4X-110912)
Recommended Standards
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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 18665070610 / Nicole.chen@cato-chem.com