Erlotinib Impurity 3 CAS 183321-82-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 183321-82-6 |
| Molecular Formula | C20H17Cl2N3O2 |
| Molecular Weight | 402.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Erlotinib Impurity 3 (CAS 183321-82-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H17Cl2N3O2. Molecular weight: 402.27 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl2N3O2 |
| Molecular Weight | 402.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- Rasagiline Impurity 40 (CAS CATO-C4X-191340)
- Mirabegron Impurity 73 (CAS 100-12-9)
- 3-Hydroxy-3-(tetrahydrofuran-2-yl)acrylonitrile (CAS 1221820-97-8)
- 4707-32-8 6N4FA2QQ6A beta-Lapachone 2H-Naphtho(1,2-b)pyran-5,6-dione, 3,4-dihydro-2,2-dimethyl- 5-17-11-00459 (Beilstein Handbook Reference) BRN 0181499 3,4-Dihydro-2,2-dimethyl-2H-naphtho(1,2-b)pyran-5,6-dione Lapachone, beta- NSC 26326 NSC 629749 SL 11001 UNII-6N4FA2QQ6A ARQ 501 (CAS 4707-32-8)
- 1-(Cyclohexylamino)-4-((4-ethoxyphenyl)amino)anthracene-9,10-dione (CAS 77946-99-7)
- 2-Chloro-3-fluoro-4-nitropyridine 1-oxide (CAS 101664-56-6)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
Why CATO?
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