Ethyl 1-(4-chloro-2-nitrophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate CAS 861208-40-4
| CAS No. | 861208-40-4 |
| Molecular Formula | C12H11ClN4O4 |
| Molecular Weight | 310.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 1-(4-chloro-2-nitrophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 1-(4-chloro-2-nitrophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate (CAS 861208-40-4), molecular formula C12H11ClN4O4 and molecular weight 310.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 1-(4-chloro-2-nitrophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate (C12H11ClN4O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 310.69 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 1-(4-chloro-2-nitrophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11ClN4O4 |
| Molecular Weight | 310.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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