Formoterol Impurity 59 CAS 306966-56-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 306966-56-3 |
| Molecular Formula | C16H16BrNO3 |
| Molecular Weight | 350.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Formoterol Impurity 59 (CAS 306966-56-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H16BrNO3. Molecular weight: 350.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H16BrNO3 |
| Molecular Weight | 350.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Iguratimod Impurity 123 (CAS CATO-C4X-1826123)
- n-(2-(1h-Pyrazol-1-yl)ethyl)-4-isopropylaniline (CAS 1272946-41-4)
- Methyl 4-(1-phenylethyl)-1H-pyrrole-3-carboxylate (CAS 1313712-50-3)
- 5'-Fluoro-2'-methyl-[1,1'-biphenyl]-3-carbaldehyde (CAS 1178198-86-1)
- 2-((4-Amino-6-methyl-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(5-(ethylthio)-1,3,4-thiadiazol-2-yl)acetamide (CAS 869067-91-4)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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