Metronidazole Impurity 25 CAS 16156-93-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 16156-93-7 |
| Molecular Formula | C8H12ClN3O3 |
| Molecular Weight | 233.65 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Metronidazole Impurity 25 (CAS 16156-93-7) pharmacopoeial impurity standards reference standard. Molecular formula: C8H12ClN3O3. Molecular weight: 233.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H12ClN3O3 |
| Molecular Weight | 233.65 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Metronidazole Standards
- Metronidazole Impurity 20 (CAS 19765-12-9)
- Metronidazole EP Impurity F (CAS 16156-94-8)
- Metronidazole Acetate (CAS 13182-82-6)
- Metronidazole Impurity 12 (CAS CATO-C4X-140512)
- Metronidazole Impurity 9 (CAS 87009-72-1)
- Metronidazole benzoate (CAS 13182-89-3)
- Metronidazole-hydroxy D2 (CAS 2196180-19-3)
- Metronidazole Impurity 10 (CAS 56750-04-0)
Recommended Standards
- 8-Chloro-3-methyl-2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-one (CAS 848818-35-9)
- 5-Chloro-9H-pyrimido[4,5-b]indole-2,4-diamine (CAS 1126602-48-9)
- 7-chloro-8-methoxy-1H-pyrido[4,3-d]pyrimidine-2,4-dione (CAS 2454491-07-5)
- Methotrexate Impurity 45 (CAS CATO-C4X-115445)
- Cefotiam Impurity 38 (CAS CATO-C4X-120438)
- 1-(2,4-Dimethylphenyl)-3-(p-tolyl)propan-1-one (CAS 898768-79-1)
- Nicorandil Impurity 70 (CAS CATO-C4X-190770)
- 4,6-Dichloro-2,5-diphenylpyrimidine (CAS 29133-99-1)
- 3-(2-Methoxyethyl)-2-methyl-5-phenylbenzo[d]oxazol-3-ium 4-methylbenzenesulfonate (CAS 63979-86-2)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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