Fluvastatin Impurity 11 CAS 1331643-17-4
| CAS No. | 1331643-17-4 |
| Molecular Formula | C24H23FNO4 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 431.44 g/mol gives Fluvastatin Impurity 11 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Fluvastatin Impurity 11 (CAS 1331643-17-4) is a certified pharmaceutical impurity reference standard with the molecular formula C24H23FNO4Na and a molecular weight of 431.44 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, Fluvastatin Impurity 11 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 431.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H23FNO4 Na |
| Molecular Weight | 431.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluvastatin Standards
- Fluvastatin EP Impurity G (CAS 101125-34-2)
- Fluvastatin Impurity 20 (CAS 1025064-18-9)
- Fluvastatin Sodium - Impurity A (CAS 1025085-49-7)
- Fluvastatin EP Impurity D (CAS 1160169-39-0)
- Fluvastatin EP Impurity F (CAS 1207963-21-0)
- Fluvastatin-d7 Sodium Salt (CAS 1260178-87-7)
- Fluvastatin USP RC B (CAS 129332-29-2)
- Fluvastatin EP Impurity B (CAS 194934-96-8)
Recommended Standards
- Cefditoren Impurity 7 (CAS 155723-02-7)
- Perindopril EP Impurity B (CAS 95153-31-4)
- Dalbavancin Impurity 29 (CAS CATO-C4X-160229)
- 3,4-Dimethyl-1,2-cyclopentanedione (CAS 13494-06-9)
- 7-hydroxy-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 1369510-57-5)
- tert-Butyl 3,3-dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine-1-carboxylate (CAS 1228962-22-8)
- 4-(Methoxycarbonyl)-3-(trifluoromethyl)benzoic acid (CAS 2171921-40-5)
- 3-(2H-1,3-Benzodioxol-5-yl)-1,1-dibenzylurea (CAS 692732-88-0)
- (8-(2,6-Dinitro-4-(trifluoromethyl)phenyl)-3-phenyl-1-oxa-4,8-diazaspiro[4.5]Decan-4-yl)(4-fluorophenyl)methanone (CAS 338963-22-7)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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