Afatinib Impurity 3 CAS 945553-91-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 945553-91-3 |
| Molecular Formula | C24H25ClFN5O3 |
| Molecular Weight | 485.94 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Afatinib Impurity 3 (CAS 945553-91-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C24H25ClFN5O3. Molecular weight: 485.94 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C24H25ClFN5O3 |
| Molecular Weight | 485.94 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Related Afatinib Standards
- Afatinib (CAS 850140-72-6)
- Afatinib (CAS 439081-18-2)
- Afatinib impurity 12 (CAS 1680184-59-1)
- Afatinib Impurity 71 (CAS CATO-C4X-100671)
- Afatinib Impurity 24 (CAS CATO-C4X-100624)
- Afatinib Impurity 63 (CAS CATO-C4X-100663)
- Afatinib Impurity 94 (CAS CATO-C4X-100694)
- Afatinib Impurity 36 (CAS CATO-C4X-100636)
Recommended Standards
- Dacomitinib Impurity 1 (CAS CATO-C4X-20861)
- Canertinib (CAS 267243-28-7)
- CMC2026 Impurity 1 (CAS CATO-C4X-22661)
- Oxacillin Impurity 64 (CAS CATO-C4X-232164)
- Fezolinetant Impurity 31 (CAS CATO-C4X-327031)
- Methyl (R)-3-amino-3-(3,5-dibromophenyl)propanoate (CAS 1213961-64-8)
- Ethyl 3-(4-bromo-3,5-dimethylphenoxy)propanoate (CAS 1443348-09-1)
- Pentoxifylline EP Impurity F-13C (CAS 202282-98-2)
- 1-(3,4-Dihydro-2h-1,5-benzodioxepin-7-yl)methanamine (CAS 23475-00-5)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
Why CATO?
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