Gefitinib Impurity 61 CAS 950596-57-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 950596-57-3 |
| Molecular Formula | C18H26N4O3 |
| Molecular Weight | 346.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Gefitinib Impurity 61 (CAS 950596-57-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H26N4O3. Molecular weight: 346.42 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H26N4O3 |
| Molecular Weight | 346.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Gefitinib Standards
- Gefitinib Impurity 59 (CAS CATO-C4X-111759)
- Gefitinib Impurity 81 (CAS CATO-C4X-111781)
- Gefitinib Impurity 29 (CAS 861453-16-9)
- Gefitinib Impurity 50 (CAS 199327-59-8)
- Gefitinib Impurity 75 (CAS CATO-C4X-111775)
- Gefitinib Impurity 19 (CAS 153437-78-6)
- Gefitinib Impurity 20 (CAS 690206-97-4)
- Gefitinib impurity 66 (CAS CATO-C4X-111766)
Recommended Standards
- 2-({3-[(2,2-Dimethylpropanoyl)amino]-anilino}carbonyl)cyclohexanecarboxylic acid 3820AF 940502-96-5 C19H26N2O4 (CAS 940502-96-5)
- Tamsulosin Impurity 51 (CAS CATO-C4X-118751)
- 2-({4-[(Butylamino)carbonyl]anilino}carbonyl)-cyclohexanecarboxylic acid 3788AF 940211-29-0 C19H26N2O4 (CAS 940211-29-0)
- Trandolapril Impurity 8 (CAS CATO-C4X-17708)
- Daprodustat Impurity 39 (CAS CATO-C4X-240739)
- N-(2-Acetylphenyl)-4-(trifluoromethyl)benzene-1-sulfonamide (CAS 306977-73-1)
- (S)-5-(bis(3,5-bis(trifluoromethyl)phenyl)((tert-butyldimethylsilyl)oxy)methyl)pyrrolidin-2-one (CAS 1227364-30-8)
- 2-[3-(2-methylpropoxy)phenyl]ethan-1-ol (CAS 1379198-60-3)
- n-Propylpiperidine-1-sulfonamide (CAS 1094460-18-0)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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