Clomifene Impurity 9 CAS 113454-71-0
| CAS No. | 113454-71-0 |
| Molecular Formula | C22H18O2 |
| Molecular Weight | 314.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| 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 Clomifene Impurity 9.
Clomifene Impurity 9 (CAS 113454-71-0) is a certified pharmaceutical impurity reference standard with the molecular formula C22H18O2 and a molecular weight of 314.38 g/mol.
The molecular framework of Clomifene Impurity 9 (C22H18O2) is characterized by a steroid core, a hydroxyl group, an ether linkage. 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).
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 Clomifene Impurity 9 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 | C22H18O2 |
| Molecular Weight | 314.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Clomifene Standards
- Clomifene EP Impurity B (CAS 796-77-0)
- Clomifene Impurity 7 (CAS 58280-04-9)
- Clomifene EP Impurity A (CAS 19957-52-9)
- Clomifene Impurity 8 (CAS 23464-17-7)
- Clomifene (CAS 911-45-5)
- Clomifene Impurity 18 (CAS CATO-C4X-151218)
- Clomifene Impurity 19 (CAS CATO-C4X-151219)
- Clomifene Citrate EP Impurity D (CAS 1391054-64-0)
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