2-Chloro-6-methyl-4-nitrophenol CAS 4102-84-5
| CAS No. | 4102-84-5 |
| Molecular Formula | C7H6ClNO3 |
| Molecular Weight | 187.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-6-methyl-4-nitrophenol (CAS 4102-84-5) is a high-purity analytical reference standard with the molecular formula C7H6ClNO3 and a molecular weight of 187.58 g/mol.
Based on its molecular formula C7H6ClNO3, 2-Chloro-6-methyl-4-nitrophenol contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Chloro-6-methyl-4-nitrophenol 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 | C7H6ClNO3 |
| Molecular Weight | 187.58 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 5-Chloro-4-methyl-2-nitrophenol (CAS 100278-74-8)
- N-(6-Chloro-3-oxo-2,3-dihydropyridazin-4-yl)acetamide (CAS 100367-79-1)
- 3-Chloro-4-methyl-5-nitropyridin-2-amine (CAS 1003710-31-3)
- 2-Chloro-5-nitroanisole (CAS 1009-36-5)
- 2-Chloro-4-methyl-5-nitrophenol (CAS 100959-50-0)
- 5-Chloro-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 101384-60-5)
- 4-Chloro-5-methoxypicolinic acid (CAS 103878-33-7)
- 2-Chloro-5-methoxyisonicotinic acid (CAS 1060801-70-8)
Recommended Standards
- 2-Chloro-6-methyl-3-nitrophenol (CAS 39183-20-5)
- 2-Chloro-6-nitroanisole (CAS 80866-77-9)
- 2-Chloro-6-methoxynicotinic Acid (CAS 503000-87-1)
- 2-Chloro-6-nitrobenzyl Alcohol (CAS 50907-57-8)
- Cyclopentanecarbothioamide (CAS 42202-73-3)
- 4-Formamido-1H-pyrrole-2-carboxamide (CAS 106339-34-8)
- 5-((4-Fluorobenzyl)thio)-N-methyl-1,3,4-thiadiazol-2-amine (CAS 931046-37-6)
- FITC-Tyr-Val-Ala-Asp-OH (Contains FITC isomer I) (M-2280.0001) (CAS 1926163-33-8)
- 5-Bromo-2-chloro-4,6-dimethylpyrimidine (CAS 4786-72-5)
- 2-(Benzyloxy)-4-methoxycyclopent-2-enone (CAS 226253-66-3)
- tert-Butyl 3,3-dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine-1-carboxylate (CAS 1228962-22-8)
- 5-Cyclopropyl-1-methyl-1H-pyrazole-3-carbonitrile (CAS 1177227-87-0)
- Carbocisteine Impurity 3 (CAS 88620-38-6)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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