Remdesivir Impurity 45 CAS 1911578-99-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1911578-99-8 |
| Molecular Formula | C21H23F5NO5P |
| Molecular Weight | 495.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Remdesivir Impurity 45 (CAS 1911578-99-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H23F5NO5P. Molecular weight: 495.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H23F5NO5P |
| Molecular Weight | 495.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Remdesivir Standards
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- Remdesivir Impurity 15 (CAS CATO-C4X-210015)
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Recommended Standards
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-ethoxyphenyl)ethanone (CAS 477333-11-2)
- 6-Bromonaphthalen-2-yl 3-phenyl-3-(phenylsulfonyl)propanoate (CAS 2376300-54-6)
- 2-((5-(2-Bromophenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 332934-91-5)
- Tofacitinib Nitroso Impurity 188 (CAS CATO-C4X-1079188)
- Loratadine Impurity 31 (CAS 31255-47-7)
- 1-(1,2,3,5,6,7-hexahydropyrrolizin-8-yl)ethanol (CAS 2621939-08-8)
- MEthyl 2-chloro-5-(dimethylamino)benzoate (CAS 137548-16-4)
- 766556-61-0 4-(2-Oxotetrahydropyrimidin-1(2H)-yl)benzoic acid MFCD11870027 (CAS 766556-61-0)
- Pulchinenoside E2 (CAS 244202-36-6)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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