Naproxen Impurity 54 CAS 1268842-11-0
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1268842-11-0 |
| Molecular Formula | C9H17BrO2 |
| Molecular Weight | 237.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Naproxen Impurity 54 (CAS 1268842-11-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H17BrO2. Molecular weight: 237.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H17BrO2 |
| Molecular Weight | 237.13 g/mol |
| Purity | ≥95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
Related Naproxen Standards
- Naproxen EP Impurity N (CAS 5111-65-9)
- rac-Naproxen-13C,d3 (CAS 1216704-11-8)
- (S)-Naproxen-d3 (CAS 1094102-82-5)
- (+/-)-naproxen-(methoxy-d3) 958293-79-3 (CAS 958293-79-3)
- Naproxen Impurity 26 (CAS 23981-80-8)
- Naproxen EP Impurity G (R-Naproxen) (CAS 23979-41-1)
- Naproxen (CAS 22204-53-1)
- Naproxen EP Impurity E (CAS 26159-35-3)
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- Tetrabenazine Impurity 33 (CAS CATO-C4X-274833)
- N-(2-hydroxyethyl)-N-methylpiperazine-1-sulfonamide hydrochloride (CAS 1269152-65-9)
- tert-Butyl ((2-(chloromethyl)imidazo[1,2-a]pyridin-6-yl)methyl)carbamate (CAS 2499665-88-0)
- (4R,4'R)-2,2'-(1,3-Diphenylpropane-2,2-diyl)bis(4-methyl-4,5-dihydrooxazole) (CAS 2634687-66-2)
- 3-(3-Nitrophenyl)pyrazole 3-(3-nitro-phenyl)-1h-pyrazole 3-(3-nitrophenyl)-1h-pyrazole 59843-77-5 (CAS 59843-77-5)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
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