N-Desmethyl citalopram Oxalate D4 CAS 62498-68-4(un)
| CAS No. | 62498-68-4(un) |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-Desmethyl citalopram Oxalate D4 (CAS 62498-68-4(un)), molecular formula C19H15D4FN2OC2H2O4 and molecular weight 404.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-Desmethyl citalopram Oxalate D4 (C19H15D4FN2OC2H2O4) contains deuterium isotope labeling, a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 404.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures N-Desmethyl citalopram Oxalate D4 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 | C19H15D4FN2O C2H2O4 |
| Molecular Weight | 404.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Methyl 3-((4-methoxyphenyl)amino)benzoate (CAS 579510-29-5)
- 3-Hydroxy-1H-phenalen-1-one (CAS 5472-84-4)
- 2-Chloro-N-(cyano-2-thienylmethyl)acetamide (CAS 263137-41-3)
- 7-Isopropoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 914203-21-7)
- (S)-2-Amino-3-hydroxy-N-pentylpropanamide (CAS 147266-42-0)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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