Atomoxetine EP Impurity C HCl CAS 1643684-06-3
| CAS No. | 1643684-06-3 |
| Molecular Formula | C17H21NO |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Atomoxetine EP Impurity C HCl 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.
Atomoxetine EP Impurity C HCl (CAS 1643684-06-3) is a certified pharmaceutical impurity reference standard with the molecular formula C17H21NOHCl and a molecular weight of 291.82 g/mol.
Structurally, Atomoxetine EP Impurity C HCl (C17H21NOHCl) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 291.82 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C17H21NO HCl |
| Molecular Weight | 291.82 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Atomoxetine Standards
- Atomoxetine Impurity 50 (CAS 1007832-68-9)
- Atomoxetine impurity 40 (CAS 1010818-92-4)
- Atomoxetine impurity 41 (CAS 1010818-92-4（free base）)
- Atomoxetine EP Impurity C (CAS 1010818-96-8)
- Atomoxetine Impurity 9 HCl (CAS 1011-59-2)
- Atomoxetine EP impurity B (CAS 105314-53-2)
- Atomoxetine impurity 01 (CAS 109306-10-7)
- Atomoxetine EP Impurity H (S-Isomer) (CAS 114133-37-8)
Recommended Standards
- Benidipine Impurity 18 (CAS CATO-C4X-112018)
- Atrasentan Impurity 150 (CAS 1058402-39-3)
- Brimonidine Impurity 23 (CAS CATO-C4X-156623)
- Radotinib (CAS 926037-48-1)
- 1-Phenylaziridine (CAS 696-18-4)
- N4-(4-Methoxyphenyl)-N2-pentyl-L-asparagine (CAS 1046820-69-2)
- 6-(Piperidin-1-yl)pyridin-2-amine trihydrochloride (CAS 2251053-42-4)
- 4-[ethyl(propyl)carbamoyl]benzoic acid (CAS 1155169-31-5)
- Methyl 6-chloro-5-oxohexanoate (CAS 76700-85-1)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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