Fenoterol EP Impurity B (Enantiomer Mixture)HCl CAS 1944-11-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1944-11-2 |
| Molecular Formula | C17H19NO4 HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fenoterol EP Impurity B (Enantiomer Mixture)HCl (CAS 1944-11-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H19NO4 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H19NO4 HCl |
| Molecular Weight | 337.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Fenoterol Standards
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- Fenoterol Impurity 4 (CAS 161040-25-1)
- Fenoterol Hydrobromide (CAS 1944-12-3)
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- Fenoterol Hydrobromide Impurity B (CAS 3371-33-3)
- Fenoterol EP Impurity A HBr (CAS 38964-10-2)
Recommended Standards
- Betamethasone impurity 70 (CAS 1201919-11-0)
- Sulfamethoxazole Impurity 9 (CAS 18607-98-2)
- N~1~-Butyl-2-chloro-N~1~-methyl-1,4-benzenediamine (CAS 1019115-86-6)
- (S)-tert-Butyl 3-((2-chloropyrimidin-4-yl)oxy)pyrrolidine-1-carboxylate (CAS 1261235-62-4)
- 5-(Diethylamino)-3,6-dimethylpyrazine-2-carboxylic Acid (CAS 1434128-60-5)
- 2-(5-Phenyl-1h-1,2,3,4-tetrazol-1-yl)acetic acid (CAS 21743-58-8)
- Fas C- Terminal Tripeptide (CAS 189109-90-8)
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