1-Chloro-2,3-dimethyl-5-nitrobenzene CAS 67405-07-6
| CAS No. | 67405-07-6 |
| Molecular Formula | C8H8ClNO2 |
| Molecular Weight | 185.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-Chloro-2,3-dimethyl-5-nitrobenzene (CAS 67405-07-6), molecular formula C8H8ClNO2 and molecular weight 185.61 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Chloro-2,3-dimethyl-5-nitrobenzene (C8H8ClNO2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 185.61 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-Chloro-2,3-dimethyl-5-nitrobenzene 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 | C8H8ClNO2 |
| Molecular Weight | 185.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-Chloro-2,3-dimethyl-4-nitrobenzene (CAS 50536-78-2)
- 1-Chloro-2,4-dimethyl-3-nitrobenzene (CAS 67531-70-8)
- 1-Chloro-2-(4-nitroÂphenylÂ)-ethane (CAS 20264-95-3)
- 1-Chloro-2,4-dimethyl-5-nitrobenzene (CAS 69383-68-2)
- 5-Bromo-6-((tetrahydrofuran-3-yl)oxy)nicotinic acid (CAS 1812198-14-3)
- 4-Chloro-5-(methylamino)-2-(3-nitrophenyl)pyridazin-3(2H)-one (CAS 84623-03-0)
- 1,4-Dihydro-6-Fluoro-1-(2-Fluoroethyl)-4-Oxo-7-(1-Piperazinyl)-1,8-Naphthyridine-3-Carboxylic Acid (CAS 84209-34-7)
- 2-((3-Cyano-4,6-dimethylpyridin-2-yl)thio)-N-(4-methoxy-2-nitrophenyl)acetamide (CAS 332160-88-0)
- 2-(5-Methyl-1H-indol-3-yl)acetamide (CAS 91350-17-3)
- 4-Chloro-1-(4-chlorobenzyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 1001757-54-5)
- N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(2-methylphenyl)urea (CAS 256471-17-7)
- (2S)-N-[4-[2-[[4-(4-Morpholinyl)phenyl]amino]-4-pyrimidinyl]phenyl]-2-pyrrolidinecarboxamide (CAS 945755-56-6)
- 2-(((3-Methoxypyrazin-2-yl)methyl)amino)ethanol (CAS 1353948-01-2)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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