Erlotinib Impurity 19 CAS CATO-C4X-106919
| CAS No. | CATO-C4X-106919 |
| Molecular Formula | C17H24N2O5 |
| Molecular Weight | 336.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Erlotinib Impurity 19.
Erlotinib Impurity 19 (CAS CATO-C4X-106919) is a certified pharmaceutical impurity reference standard with the molecular formula C17H24N2O5 and a molecular weight of 336.38 g/mol.
Erlotinib Impurity 19 (C17H24N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Erlotinib Impurity 19 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H24N2O5 |
| Molecular Weight | 336.38 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Erlotinib Standards
- Erlotinib Impurity 51 (CAS CATO-C4X-106951)
- Erlotinib Impurity 74 (CAS CATO-C4X-106974)
- Erlotinib Impurity 22 (CAS CATO-C4X-106922)
- Erlotinib Impurity 73 (CAS CATO-C4X-106973)
- Erlotinib Impurity 69 (CAS CATO-C4X-106969)
- Erlotinib Impurity 70 (CAS CATO-C4X-106970)
- Erlotinib Impurity 42 (CAS 501684-22-6)
- Erlotinib Impurity 47 (CAS 179688-26-7)
Recommended Standards
- 910856-25-6 Danshenol C (CAS 910856-25-6)
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- Hydroxychloroquine Impurity 35 (CAS CATO-C4X-183535)
- 1-[3-Fluoro-4-(2,2,2-trifluoroethoxy)-phenyl]-ethanone (CAS 1019528-63-2)
- Ethyl 5-(2-methoxyphenyl)-1,3,4-thiadiazole-2-carboxylate (CAS 1993310-64-7)
- 2-Methyl-6-(trifluoromethyl)-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 189940-07-6)
- N-(4-chlorobenzyl)acetamide (CAS 57058-33-0)
- Tau Peptide (275-305) (Repeat 2 Domain) trifluoroacetate salt (CAS 330456-25-2)
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 18665070610 / Nicole.chen@cato-chem.com