Erlotinib Impurity 42 CAS 501684-22-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 501684-22-6 |
| Molecular Formula | C14H19NO8 |
| Molecular Weight | 329.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Erlotinib Impurity 42 (CAS 501684-22-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H19NO8. Molecular weight: 329.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H19NO8 |
| Molecular Weight | 329.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related Erlotinib Standards
- Erlotinib Impurity 47 (CAS 179688-26-7)
- Erlotinib Impurity 67 (CAS CATO-C4X-106967)
- Erlotinib Impurity 68 (CAS CATO-C4X-106968)
- ErlotiniB impurity 35 (CAS CATO-C4X-106935)
- Erlotinib impurity 132 (CAS CATO-C4X-1069132)
- Erlotinib impurity 133 (CAS CATO-C4X-1069133)
- Erlotinib Impurity 60 (CAS CATO-C4X-106960)
- Erlotinib Impurity 135 (CAS CATO-C4X-1069135)
Recommended Standards
- N-[Imino(2-pyridinyl)methyl]-2-methyl-4-(trifluoromethyl)-1,3-thiazole-5-carbohydrazide (CAS 344262-00-6)
- N'-(2-methyl-4-(trifluoromethyl)thiazole-5-carbonyl)nicotinohydrazonamide (CAS 344262-08-4)
- Methyl 5-(2-methoxy-2-oxo-1-phenylethyl)-2-nitrobenzoate (CAS 1980038-56-9)
- Nicardipine Impurity 72 (CAS CATO-C4X-171072)
- Bilastine Impurity N5 (CAS 29205-99-0)
- 2,5-Dimethyl-1-{2-[7-(naphthalen-2-yl)pyrazolo[1,5-a]pyrimidin-2-yl]thiophen-3-yl}-1H-pyrrole (CAS 439095-77-9)
- n-(4-Methylpiperidin-3-yl)pivalamide (CAS 1405747-18-3)
- (E)-4,4'-(Ethene-1,2-diyl)diphenol (CAS 15058-36-3)
- Boc-Nalpha-methyl-Ne-2-chlorobenzyl-oxycarbonyl-L-lysine (CAS 151012-17-8)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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