Citalopram Impurity 2 CAS 508169-73-1
| CAS No. | 508169-73-1 |
| Molecular Formula | C19H23BrFNO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Citalopram Impurity 2.
CATO supplies Citalopram Impurity 2 (CAS 508169-73-1), a certified reference material (molecular formula C19H23BrFNO2HCl, MW 432.76 g/mol) for analytical method development and quality control.
The molecular framework of Citalopram Impurity 2 (C19H23BrFNO2HCl) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), Citalopram Impurity 2 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 | C19H23BrFNO2 HCl |
| Molecular Weight | 432.76 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1984 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Citalopram Standards
- Citalopram Impurity 38 (CAS 103146-26-5)
- Citalopram Impurity 17 (CAS 1187671-15-3)
- Citalopram EP Impurity D HBr (CAS 1188264-72-3)
- Citalopram-d6 N-Oxide (CAS 1189652-54-7)
- Citalopram-d6 (CAS 1190003-26-9)
- (R)-Citalopram-d6 N-Oxide (CAS 1217669-62-9)
- (S)-Citalopram-d6 N-Oxide (CAS 1217710-65-0)
- (S)-Citalopram-d6 Oxalate (CAS 1217733-09-9)
Recommended Standards
- 1,1,1-Trifluoro-3-(quinolin-2-yl)propan-2-one (CAS 398-50-5)
- 1-(Benzyloxy)-4-(3-iodopropyl)benzene (CAS 191407-39-3)
- 286425-35-2 Benzophenone-|A-13C-3,3 inverted exclamation marka,4,4 inverted exclamation marka-tetracarboxylic dianhydride (CAS 286425-35-2)
- 4-Methyl-N-((tetrahydro-2h-pyran-4-yl)methyl)aniline (CAS 1340158-87-3)
- Bosutinib Impurity 6 (CAS 1156068-41-5)
- Betaxolol Impurity 21 (CAS CATO-C4X-155921)
- 8-Benzyl 3-ethyl (S)-2,8-diazaspiro[4.5]decane-3,8-dicarboxylate (CAS 2306247-74-3)
- (5-Fluoro-3-formyl-2-methoxyphenyl)boronic acid (CAS 1072951-73-5)
- 2-(Piperidin-4-yl)-3-(trifluoromethyl)pyridine (CAS 914220-27-2)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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