2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one CAS 111992-17-7
| CAS No. | 111992-17-7 |
| Molecular Formula | C10H6Cl2F2N4O3 |
| Molecular Weight | 339.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 339.08 g/mol gives 2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one (CAS 111992-17-7), molecular formula C10H6Cl2F2N4O3 and molecular weight 339.08 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 339.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one 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 | C10H6Cl2F2N4O3 |
| Molecular Weight | 339.08 g/mol |
| Appearance | Pale yellow to 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 sealed and dry |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
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- 4,11-Dichloro-7H-benzo[de]benzo[4,5]imidazo[2,1-a]isoquinolin-7-one (CAS 324045-24-1)
- 1314446-44-0 3-(6,7-Dichloro-quinoxalin-2-yl)-1H-indole-5-carbonitrile (CAS 1314446-44-0)
- 2-[2-(3,4-Dichloro-phenyl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 1171924-84-7)
- 2-[2-(2,4-Dichloro-phenyl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 1171924-91-6)
- 2-[(2,6-Dichloro-4-hydroxyphenyl)amino]-N,N-dimethyl-benzeneacetamide 2-[2-(2',6'-Dichloro-4'-hydroxphenylamino)phenyl]-N,N-dimethylacetamide 698357-45-8 (CAS 698357-45-8)
- 4,6-Dichloro-N-(4,4-dimethylcyclohexyl)-1H-indole-2-carboxamide (CAS 1473450-60-0)
- 3,7-Dichloro-9H-fluoren-2-amine (CAS 885-47-2)
Recommended Standards
- 3,5-Dibromo-1-(2-ethylhexyl)-1H-1,2,4-triazole (CAS 948093-96-7)
- 3-Iodo-2-nitrodibenzo[b,d]furan (CAS 854396-49-9)
- 3,5-Dibromo-1-octyl-1H-1,2,4-triazole (CAS 1240572-77-3)
- 5-[(6-Bromo-2H-1,3-benzodioxol-5-yl)methylidene]-1,3-diazinane-2,4,6-trione (CAS 141266-46-8)
- Boc-O-benzyl-L-threonine N-hydroxysuccinimide ester (CAS 32886-43-4)
- 4-(4-Chloro-7-(methylsulfonyl)-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-2-yl)morpholine (CAS 1178564-27-6)
- 5-bromo-1,3,4-oxadiazol-2-amine (CAS 1446407-48-2)
- Methyl 2-(hydrazido)-5-phenyl-1,3-thiazole-4-carboxylate (CAS 168482-02-8)
- 1-[3-Amino-4-(ethylsulfonyl)phenyl]-4-piperidinol (CAS 1220033-72-6)
- Ethyl 4-(difluoromethyl)-1,2,3-thiadiazole-5-carboxylate (CAS 1018170-57-4)
- Methyl 2-(5-methyloxazol-2-yl)acetate (CAS 808737-47-5)
- 1-(3,4-dichlorophenyl)-3-methylenedihydro-1H-pyrrole-2,5-dione (CAS 63233-85-2)
- 2h,3h,6h,7h,8h-[1,4]dioxino[2,3-f]indole (CAS 1156704-67-4)
- Semaglutide Impurity 122 (CAS CATO-C4X-2226122)
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