Mefatinib Impurity 4 CAS 1012057-47-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1012057-47-4 |
| Molecular Formula | C9H7N3O4 |
| Molecular Weight | 221.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Mefatinib Impurity 4 (CAS 1012057-47-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7N3O4. Molecular weight: 221.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O4 |
| Molecular Weight | 221.17 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Mefatinib Standards
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- Mefatinib Impurity 7 (CAS 2225147-32-8)
- Mefatinib Impurity 18 (CAS CATO-C4X-299218)
- Mefatinib Impurity 5 (CAS 574738-64-0)
- Mefatinib Impurity 17 (CAS CATO-C4X-299217)
- Mefatinib Impurity 10 (CAS CATO-C4X-299210)
- Mefatinib Impurity 12 (CAS CATO-C4X-299212)
- Mefatinib Impurity 14 (CAS CATO-C4X-299214)
Recommended Standards
- 2h-3,1-benzoxazine-8-carboxylic acid, 1,4-dihydro-2,4-dioxo-, methyl ester 3-isatoic anhydride carboxylic acid methyl ester 886362-85-2 Methyl 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-8-carboxylate methyl 1,4-dihydro-2,4-dioxo-2h-3,1-benzoxazine-8-carboxylate methyl 2,4-dioxo-1,4-dihydro-2h-3,1-benzoxazine-8-carboxylate ref dupl: 3-isatoic anhydride carboxylic acid methyl ester (CAS 886362-85-2)
- 2-fluoro-5-methoxy-4-nitro-benzoic acid (CAS 1001345-80-7)
- N-Methyl-6-nitro-1,2-benzoxazole-3-carboxamide (CAS 400079-08-5)
- Droperidol EP Impurity B (CAS 1026015-45-1)
- Azilsartan Impurity 163 (CAS CATO-C4X-1096163)
- (S)-1-(2,5-Dichlorophenyl)ethanamine (CAS 1212141-14-4)
- 1-((1-Hydroxycyclopentyl)methyl)azetidin-3-ol (CAS 1492723-46-2)
- Nitrosamines Mix 13 (CAS CATO-MCHM703425-ME)
- Heptadeca-1,8-dien-4,6-diyne-3,10-diol (CAS 63910-76-9)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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