Metronidazole Impurity 28 CAS 102274-41-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 102274-41-9 |
| Molecular Formula | C13H12ClN3O4 |
| Molecular Weight | 309.71 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Metronidazole Impurity 28 (CAS 102274-41-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C13H12ClN3O4. Molecular weight: 309.71 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H12ClN3O4 |
| Molecular Weight | 309.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Metronidazole Standards
- Metronidazole Impurity 29 (CAS 102274-40-8)
- Metronidazole Impurity 30 (CAS 13182-90-6)
- Metronidazole Impurity 27 (CAS CATO-C4X-140527)
- Metronidazole Impurity 9 (CAS 87009-72-1)
- Metronidazole benzoate (CAS 13182-89-3)
- Metronidazole beta-D-Glucuronide (CAS 100495-98-5)
- Metronidazole Impurity 25 (CAS 16156-93-7)
- Metronidazole Impurity 20 (CAS 19765-12-9)
Recommended Standards
- Avanafil Impurity 42 (CAS CATO-C4X-111842)
- Dimethyl 1-(3-chloro-2-methylphenyl)-1H-1,2,3-triazole-4,5-dicarboxylate (CAS 895650-44-9)
- 5-(Chloromethyl)-2-(3-fluoro-4-(trifluoromethyl)phenyl)-4-methylthiazole (CAS 317319-33-8)
- Papaverine EP Impurity C HCl (3,4-Dihydropapaverine HCl) (CAS 5884-22-0)
- Idebenone Impurity 4 (CAS 58186-01-9)
- (1-Phenylpiperidin-3-yl)methanol (CAS 1081515-81-2)
- Arachidonyl-2-chloroethylamide (CAS 220556-69-4)
- 5-(propan-2-yl)-1,3-thiazole-2-carbaldehyde (CAS 1461714-41-9)
- Methyl 3-(5-methoxythiophen-2-yl)propanoate (CAS 1000896-80-9)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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