3-Methyl-5-(trichloromethyl)-1,2,4-oxadiazole CAS 1195-25-1
| CAS No. | 1195-25-1 |
| Molecular Formula | C4H3Cl3N2O |
| Molecular Weight | 201.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Methyl-5-(trichloromethyl)-1,2,4-oxadiazole is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Methyl-5-(trichloromethyl)-1,2,4-oxadiazole (CAS 1195-25-1), molecular formula C4H3Cl3N2O and molecular weight 201.44 g/mol, is a CATO reference standard with documented purity and traceability.
3-Methyl-5-(trichloromethyl)-1,2,4-oxadiazole (C4H3Cl3N2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 3-Methyl-5-(trichloromethyl)-1,2,4-oxadiazole 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 | C4H3Cl3N2O |
| Molecular Weight | 201.44 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2-methyl-5-(trichloromethyl)-1,3,4-oxadiazole (CAS 1195-26-2)
- 5-(Trichloromethyl)-4,5-dihydroisoxazol-5-ol (CAS 34648-11-8)
- Trichloromethyl Chloroformate (CAS 503-38-8)
- 2-(Trichloromethyl)pyridine (CAS 4377-37-1)
- 4-(Trichloromethyl)pyridine (CAS 22796-40-3)
- 3-ethyl-5-(trichloromethyl)-1,2,4-oxadiazole (CAS 1196-99-2)
- 5-(Trichloromethyl)isoxazole (CAS 88283-10-7)
- 2-(Trichloromethyl)-1H-imidazole (CAS 163769-73-1)
Recommended Standards
- 5-Chloro-2-methoxy-6-methylpyridine-3-boronic acid (CAS 2377608-02-9)
- 3-Chloro-2-ethoxypyridine-4-boronic acid (CAS 2096333-52-5)
- 3-Chloro-4-(dichloromethyl)-2(5H)-furanone (CAS 122551-89-7)
- 5-Chloro-2-ethoxypyridine-4-boronic acid (CAS 1882041-03-3)
- Ethyl 1,3-dimethyl-4-oxo-5-phenyl-4,5-dihydro-1H-pyrrolo[2,3-d]pyridazine-2-carboxylate (CAS 150582-31-3)
- 1-(Difluoromethyl)-4-iodo-3-methyl-1h-pyrazole (CAS 1217862-89-9)
- N-(6-oxo-6,7-Dihydro-1H-Purin-2-yl)sulfuric diamide (CAS 101910-09-2)
- 5-Butyl-N,N,6-trimethyl-2-phenylpyrimidin-4-amine (CAS 61442-53-3)
- 2-Methyl-1H-pyrrolo[3,2-b]pyridine-5-carboxylic acid (CAS 1190316-97-2)
- 2-(4-Fluorobenzyl)-3-oxo-butyric acid methylester (CAS 122255-02-1)
- 2-(6-(((Benzyloxy)carbonyl)amino)-9H-purin-9-yl)acetic acid (CAS 149376-67-0)
- Justicidin E (CAS 27792-97-8)
- 4-Amino-6-(difluoromethyl)-3-fluoropicolinonitrile (CAS 1806791-90-1)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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