4-Dechloro-4-hydroxy Diclazuril Methyl Ester CAS 1101258-51-8
| CAS No. | 1101258-51-8 |
| Molecular Formula | C18H12Cl2N4O3 |
| Molecular Weight | 403.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Dechloro-4-hydroxy Diclazuril Methyl Ester (CAS 1101258-51-8) is a high-purity analytical reference standard with the molecular formula C18H12Cl2N4O3 and a molecular weight of 403.22 g/mol.
Based on its molecular formula C18H12Cl2N4O3, 4-Dechloro-4-hydroxy Diclazuril Methyl Ester contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Dechloro-4-hydroxy Diclazuril Methyl Ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H12Cl2N4O3 |
| Molecular Weight | 403.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dechloro Standards
- 4-Dechloro-4-hydroxy Diclazuril (CAS 112206-71-0)
- 8-Dechloro-7-chloro Loratadine (CAS 1346602-19-4)
- 7-Dechloro Griseofulvin (CAS 3680-32-8)
- 8-Dechloro-9-chloro Desloratadine (CAS 117811-13-9)
- Dechloro desloratadine (CAS 38092-95-4)
- 4-Dechloro-4-(4-chlorophenyl) Loperamide-d6 (CAS 1794737-31-7)
- Dechloro clonixin (CAS 17782-05-7)
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Recommended Standards
- Roflumilast Impurity 53 (CAS 2204417-23-0)
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