Erlotinib Impurity 8 CAS 183320-29-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 183320-29-8 |
| Molecular Formula | C21H21N3O4 |
| Molecular Weight | 379.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Erlotinib Impurity 8 (CAS 183320-29-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H21N3O4. Molecular weight: 379.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H21N3O4 |
| Molecular Weight | 379.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 3 |
Related Erlotinib Standards
- Erlotinib Impurity 92 (CAS 183321-86-0)
- Erlotinib Impurity 118 (CAS 1216420-11-9)
- Erlotinib impurity 134 (CAS CATO-C4X-1069134)
- Erlotinib impurity 131 (CAS CATO-C4X-1069131)
- Erlotinib Impurity 46 (CAS CATO-C4X-106946)
- Erlotinib Hydrochloride Impurity 3 (CAS 1145671-52-8)
- Erlotinib metabolite M11 (CAS 882172-60-3)
- Erlotinib (CAS 183321-74-6)
Recommended Standards
- Valsartan Impurity 110 (CAS 1418314-03-0)
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- 1-Ethyl-2,3-dimethylimidazolium Tetrafluoroborate (CAS 307492-75-7)
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- 2,5-Dichloro-N-(3-cyano-4-(methylsulfonyl)phenyl)benzamide (CAS 320421-60-1)
- (2S,5S)-1-(((2S,5S)-2,5-Dimethylpyrrolidin-1-yl)methylene)-2,5-dimethylpyrrolidin-1-ium tetrafluoroborate (CAS 1204324-13-9)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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