Salbutamol Impurity P TFA CAS CATO-C4X-1176206
| CAS No. | CATO-C4X-1176206 |
| Molecular Formula | C22H31NO6 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Salbutamol Impurity P TFA (C22H31NO6C2HF3O2) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Salbutamol Impurity P TFA (CAS CATO-C4X-1176206) is a certified pharmaceutical impurity reference standard with the molecular formula C22H31NO6C2HF3O2 and a molecular weight of 519.51 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C22H31NO6 C2HF3O2 |
| Molecular Weight | 519.51 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Salbutamol Standards
- Salbutamol Impurity 130 (CAS 115061-55-7)
- Salbutamol Impurity 134 (CAS 115787-50-3)
- Salbutamol Impurity 55 (CAS 115787-52-5)
- Salbutamol Impurity 85 (CAS 115787-52-5（free base）)
- Salbutamol Impurity 87 (CAS 115787-53-6)
- Salbutamol-d3 (CAS 1219798-60-3)
- Salbutamol Impurity 75 (CAS 1221726-71-1)
- Salbutamol Impurity 146 (CAS 124658-76-0)
Recommended Standards
- Xanomeline impurity 41 (CAS CATO-C4X-330141)
- Doxofylline Impurity 31 (CAS CATO-C4X-151331)
- Clemastine Impurity 35 (CAS CATO-C4X-183735)
- 2-(Butylthio)-1-(3-hydroxypiperidin-1-yl)ethan-1-one (CAS 1155054-11-7)
- 2-Chloro-3-(4-chlorobenzenesulfonyl)-4,6-dimethylpyridine (CAS 339111-93-2)
- (R)-1-(Naphthalen-2-yl)propan-1-amine hydrochloride (CAS 1810074-76-0)
- 1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-methylazetidine-2-carboxylic acid (CAS 610271-10-8)
- 1-((3-(tert-Butyl)-4-ethoxyphenyl)sulfonyl)-2-isopropyl-1H-imidazole (CAS 898640-00-1)
- 4-((4-Methylpiperidin-1-yl)sulfonyl)thiophene-2-carboxylic acid (CAS 893782-34-8)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
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