Lenalidomide Impurity 57 CAS 90725-68-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 90725-68-1 |
| Molecular Formula | C9H8BrNO4 |
| Molecular Weight | 274.07 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lenalidomide Impurity 57 (CAS 90725-68-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C9H8BrNO4. Molecular weight: 274.07 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H8BrNO4 |
| Molecular Weight | 274.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Lenalidomide Standards
- Lenalidomide Impurity 16 (CAS 133446-99-8)
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- Lenalidomide Impurity 58 (CAS 88071-90-3)
- Lenalidomide Impurity 59 (CAS 88089-94-5)
- Lenalidomide Impurity 61 (CAS 132874-06-7)
- Lenalidomide Impurity 34 (CAS CATO-C4X-190334)
- Lenalidomide Impurity 17 (CAS 2197421-58-0)
- Lenalidomide Impurity 19 (CAS CATO-C4X-190319)
Recommended Standards
- α-D-Ribose-5-phosphate (CAS 34980-65-9（free base）)
- Methyl 6-Bromo-2-methyl-3-nitrobenzoate (CAS 731810-03-0)
- Methyl 5-bromo-6-formyl-2-methoxynicotinate (CAS 2750929-11-2)
- Lacidipine Impurity 8 (CAS CATO-C4X-16718)
- Azelnidipine Impurity 9 (CAS CATO-C4X-10409)
- tert-Butyl 2-bromo-4,6-dihydro-5H-thieno[2,3-c]pyrrole-5-carboxylate (CAS 2720487-06-7)
- 3-[(2-Chloro-6-fluorophenyl)methanesulfonyl]-1H-1,2,4-triazole (CAS 339105-84-9)
- 2-(Bromomethyl)-2-(2-chloro-4-(4-chlorophenoxy)phenyl)-4-methyl-1,3-dioxolane (CAS 873012-43-2)
- 1,1,2-Trichloro-3,3,3-trifluoropropane (CAS 431-51-6)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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