Lapatinib Impurity 25 CAS 231278-20-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 231278-20-9 |
| Molecular Formula | C21H14ClFIN3O |
| Molecular Weight | 505.71 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Lapatinib Impurity 25 (CAS 231278-20-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H14ClFIN3O. Molecular weight: 505.71 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H14ClFIN3O |
| Molecular Weight | 505.71 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2023 |
| Halogen Content | F/Cl/I-containing |
| Nitrogen Atoms | 3 |
Related Lapatinib Standards
- Lapatinib Impurity 9 (CAS 1393175-04-6)
- Lapatinib Impurity 7 (CAS 320337-46-0)
- Lapatinib Impurity 17 (CAS 231278-05-0)
- Lapatinib Impurity 19 (CAS 320337-48-2)
- Lapatinib Impurity 14 (CAS 697299-82-4)
- Lapatinib Impurity 10 (CAS 231278-84-5)
- Lapatinib Impurity 26 (CAS CATO-C4X-119126)
- Lapatinib Impurity 37 (CAS 1268997-70-1)
Recommended Standards
- Elobixibat Impurity 43 (CAS CATO-C4X-283843)
- Bilastine Impurity 60 (CAS 2699147-41-4)
- Lefamulinum Impurity 14 (CAS CATO-C4X-304714)
- Ozenoxacin Impurity 43 (CAS CATO-C4X-279643)
- Nifuratel Impurity 22 (CAS CATO-C4X-127222)
- 4-Amino-5-[4-(diethylamino)phenyl]-4H-1,2,4-triazole-3-thiol (CAS 851207-76-6)
- N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 478046-91-2)
- (E)-3-(4-Bromophenyl)-5-(prop-1-en-1-yl)isoxazole (CAS 638163-16-3)
- 4-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-yl}-6-hydroxy-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyrimidin-2-one (CAS 866051-56-1)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com