Capecitabine Impurity 42 CAS CATO-C4X-102442
| CAS No. | CATO-C4X-102442 |
| Molecular Formula | C13H15FN2O7 |
| Molecular Weight | 330.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Capecitabine Impurity 42 (C13H15FN2O7) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Capecitabine Impurity 42 (CAS CATO-C4X-102442) is a certified pharmaceutical impurity reference standard with the molecular formula C13H15FN2O7 and a molecular weight of 330.27 g/mol.
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.
As a certified reference material (CRM), Capecitabine Impurity 42 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.
Physical & Chemical Properties
| Molecular Formula | C13H15FN2O7 |
| Molecular Weight | 330.27 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 sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Capecitabine Standards
- Capecitabine Impurity 40 (CAS 5636-04-4)
- Capecitabine Impurity 10 (CAS 2230479-30-6)
- Capecitabine EP Impurity C (CAS 161599-46-8)
- Capecitabine Impurity 56 (CAS CATO-C4X-102456)
- Capecitabine Impurity 37 (CAS CATO-C4X-102437)
- Capecitabine Impurity 47 (CAS CATO-C4X-102447)
- Capecitabine Impurity 48 (CAS CATO-C4X-102448)
- Capecitabine Impurity 27 (CAS 13007-50-6)
Recommended Standards
- 4-(2-Fluoro-4-nitrophenoxy)-7-hydroxy-6-methoxyquinoline (CAS 479690-08-9)
- Diphenyl(4-(trifluoromethyl)phenyl)phosphane (CAS 13406-28-5)
- 3-Phenyl-8-(trifluoromethyl)pyrido[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 338420-33-0)
- 2-(((Perfluorophenyl)methyl)thio)-1H-benzo[d]imidazole (CAS 157609-68-2)
- Miglitol Impurity 19 (CAS 78614-47-8)
- Tamsulosin Impurity 10 (CAS CATO-C4X-118710)
- Landiolol Impurity 143 (CAS CATO-C4X-2621143)
- n-{3-[(methylamino)methyl]phenyl}benzenesulfonamide (CAS 1156162-41-2)
- 3-Isopropyl-4-(thiophen-2-yl)-1h-pyrazol-5-amine (CAS 955548-93-3)
- 3-((2-Oxotetrahydrofuran-3-yl)oxy)benzaldehyde (CAS 1019341-17-3)
- 2-Methyl-1-(4-(trifluoromethoxy)phenyl)propan-2-ol (CAS 1443348-35-3)
- N1-(4-Iodophenyl)-5-methylbenzene-1,2-diamine (CAS 861519-21-3)
- Isopropyl 5-oxopyrrolidine-2-carboxylate (CAS 85136-11-4)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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