Atomoxetine Impurity 24 CAS 435293-66-6
| CAS No. | 435293-66-6 |
| Molecular Formula | C17H21NO2 |
| Molecular Weight | 271.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Atomoxetine Impurity 24 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.
CATO supplies Atomoxetine Impurity 24 (CAS 435293-66-6), a pharmacopoeial impurity reference standard (molecular formula C17H21NO2, MW 271.35 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Atomoxetine Impurity 24 (C17H21NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 271.35 g/mol, it falls into the medium-molecular-weight range. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C17H21NO2 |
| Molecular Weight | 271.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Atomoxetine Standards
- Atomoxetine Impurity 51 (CAS CATO-C4X-155051)
- Atomoxetine Impurity 38 (CAS 29869-74-7)
- Atomoxetine Impurity 1 (CAS 83015-25-2)
- Atomoxetine impurity 40 (CAS 1010818-92-4)
- Atomoxetine Impurity 49 (CAS CATO-C4X-155049)
- Atomoxetine Chloro Impurity (CAS 114446-47-8)
- Atomoxetine Impurity 53 (CAS CATO-C4X-155053)
- Atomoxetine Impurity 29 (CAS CATO-C4X-155029)
Recommended Standards
- Atropine EP Impurity A (CAS 500-55-0)
- Diphenhydramine N-Oxide (CAS 3922-74-5)
- Gabapentin Impurity 10 (CAS 227626-60-0)
- Diphenhydramine impurity 14 (CAS CATO-C4X-142414)
- Epinephrine /Adrenaline Impurity 118 (CAS CATO-C4X-1849118)
- Ketorolac Impurity 58 (CAS CATO-C4X-166958)
- Dextromethorphan impurity 41 (CAS 1058187-40-8)
- 2-(4-Methyl-1H-imidazol-5-yl)ethan-1-amine (CAS 36507-31-0)
- (R)-Pramipexole-d3 Dihydrochloride (CAS 1432230-09-5)
- (5-Bromobicyclo[3.1.1]Heptan-1-yl)methanol (CAS 2090833-26-2)
- Amino-PEG12-Boc (CAS 1383814-00-3)
- 3-(5-Propylpyrimidin-2-yl)acrylic acid (CAS 72790-22-8)
- Schisanhenol (CAS 69363-14-0)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
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