Flumetasone Impurity 14 CAS 3873-19-6
| CAS No. | 3873-19-6 |
| Molecular Formula | - |
| Molecular Weight | 453.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 453.91 g/mol gives Flumetasone Impurity 14 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Flumetasone Impurity 14 (CAS 3873-19-6), a pharmacopoeial impurity reference standard (molecular formula N/A, MW 453.91 g/mol) used for the identification and quantification of trace impurities in APIs.
Flumetasone Impurity 14 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
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 Flumetasone Impurity 14 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 | C23H27AClFO6 |
| Molecular Weight | 453.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F/Cl-containing |
Related Flumetasone Standards
- Flumetasone Impurity 7 (CAS 61633-73-6)
- Flumetasone Impurity 9 (CAS 2541-37-9)
- Flumetasone Pivalate EP Impurity C (CAS 1926-94-9)
- Flumetasone Impurity 16 (CAS CATO-C4X-191016)
- Flumetasone Impurity 17 (CAS CATO-C4X-191017)
- Flumetasone Impurity 8 (CAS CATO-C4X-19108)
- Flumetasone Impurity 10 (CAS 382631-11-0)
- Flumetasone Impurity 19 (CAS CATO-C4X-191019)
Recommended Standards
- N-[(2-Chlorophenyl)methyl]-2-{[3-cyano-6-methyl-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}acetamide (CAS 626228-72-6)
- Halobetasol Impurity 9 (CAS CATO-C4X-33149)
- N-(4-chlorobenzyl)-2-((3-cyano-4-(trifluoromethyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamide (CAS 626227-36-9)
- (E)-{[4-(4-chlorophenyl)-7-thia-2,5-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),3,5-trien-3-yl]methylidene}amino 4-fluorobenzoate (CAS 478041-89-3)
- Folic Acid Impurity 50 (CAS CATO-C4X-139550)
- Articaine impurity 17 HCl (CAS 161449-05-4)
- Maxacalcitol Impurity 7 (CAS CATO-C4X-27887)
- N-(2-Hydroxybenzoyl)-L-aspartic Acid (CAS 56145-94-9)
- Lysine Impurity 19 (CAS 692-04-6)
- tert-Butyl ((3S,4R)-3-fluoropiperidin-4-yl)(methyl)carbamate (CAS 1932066-19-7)
- 1-Bromo-2-chloro-3-fluorobenzene (CAS 883499-24-9)
- Orforglipron impurity 132 (CAS CATO-C4X-3234132)
- Methyl (S)-5-Boc-5-azaspiro[2.4]heptane-6-carboxylate (CAS 1129634-43-0)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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