Gefitinib Impurity 38 CAS 847949-50-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 847949-50-2 |
| Molecular Formula | C22H25ClN4O4 |
| Molecular Weight | 444.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Gefitinib Impurity 38 (CAS 847949-50-2) pharmacopoeial impurity standards reference standard. Molecular formula: C22H25ClN4O4. Molecular weight: 444.91 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H25ClN4O4 |
| Molecular Weight | 444.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Gefitinib Standards
- Gefitinib (CAS 184475-35-2)
- Gefitinib Impurity 10 (CAS 1603814-04-5)
- Gefitinib Impurity 33 (CAS 909863-33-8)
- Gefitinib Impurity 34 (CAS CATO-C4X-111734)
- Gefitinib Impurity 37 (CAS CATO-C4X-111737)
- Gefitinib Impurity 43 (CAS CATO-C4X-111743)
- Gefitinib Impurity 93 (CAS CATO-C4X-111793)
- Gefitinib Impurity 15 (CAS 1608115-59-8)
Recommended Standards
- Ethyl 6-amino-2-(((4-chlorophenyl)thio)methyl)-5-cyano-4-(4-fluorophenyl)-4H-pyran-3-carboxylate (CAS 478260-23-0)
- Melphalan Impurity 25 (CAS CATO-C4X-198825)
- 4'-(2-Chlorophenyl)-1'-methyl-1'',2,2'',4-tetrahydrodispiro[1-benzopyran-3,3'-pyrrolidine-2',3''-indole]-2'',4-dione (CAS 1164457-72-0)
- Everolimus Impurity 13 (CAS CATO-C4X-112213)
- Doxofylline Impurity 22 (CAS 6632-68-4)
- 1-(3-Chlorophenyl)piperazin-2-one (CAS 183500-70-1)
- 2-[(2,3,4,6-Tetra-O-acetyl- β-D-glucopyranosyl)oxy]benzoic Acid Methyl Ester (CAS 7791-66-4)
- 4-Oxa-1,10-diazatricyclo[7.3.1.0,5,13]trideca-5,7,9(13)-triene (CAS 1267225-15-9)
- 733720-95-1 Z1T18Z40OT 8-Bromo-2,3,6,7-tetrahydrobenzo(1,2-b:4,5-b')difuran-4-ethanamine UNII-Z1T18Z40OT Benzo(1,2-b:4,5-b')difuran-4-ethanamine, 8-bromo-2,3,6,7-tetrahydro- 2C-B-FLY 8-Bromo-2,3,6,7-benzo-dihydro-difuranethylamine 2-(4-Bromo-2,3,6,7-tetrahydrofuro(2,3-f)(1)benzofuran-8-yl)ethanamine (CAS 733720-95-1)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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 13829788188 / jacky.chen@cato-chem.com