Gefitinib Impurity 28 CAS 1379208-77-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1379208-77-1 |
| Molecular Formula | C8H6N2O4 |
| Molecular Weight | 194.14 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Gefitinib Impurity 28 (CAS 1379208-77-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H6N2O4. Molecular weight: 194.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H6N2O4 |
| Molecular Weight | 194.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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 |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Gefitinib Standards
- Gefitinib Impurity 4 (CAS 179688-52-9)
- Gefitinib Impurity 8 (CAS 379228-50-9)
- Gefitinib Impurity N18 (CAS 58749-47-6)
- Gefitinib Impurity 18 (CAS 50413-44-0)
- Gefitinib Impurity 85 (CAS CATO-C4X-111785)
- Gefitinib Impurity 34 (CAS 194423-17-1)
- Gefitinib Impurity 92 (CAS CATO-C4X-111792)
- Gefitinib Impurity 45 (CAS 350-30-1)
Recommended Standards
- 2-(Benzo[d][1,3]dioxol-5-yl)-2-oxoacetic acid (CAS 62396-98-9)
- Ascorbic Acid EP Impurity C (CAS 526-98-7)
- 5-ketogluconic acid (CAS 815-89-4)
- Letermovir Impurity 104 (CAS CATO-C4X-2915104)
- Upadacitinib Impurity 147 (CAS CATO-C4X-2405147)
- Desmethyl Hydroxy Cerivastatin Sodium Salt (CAS 201793-00-2)
- 7-Hydroxy-2,4-dimethylquinoline-8-carboxylic acid (CAS 91569-72-1)
- Benzenamine, 4,4′-(21H,23H-porphine-5,15-diyl)bis- (CAS 292145-34-7)
- Articaine EP Impurity H HCl (CAS 2602451-77-2)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
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