5-Chloro-2-Nitrotoluene CAS 5367-28-2
| CAS No. | 5367-28-2 |
| Molecular Formula | C7H6ClNO2 |
| Molecular Weight | 171.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Chloro-2-Nitrotoluene is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Chloro-2-Nitrotoluene (CAS 5367-28-2), molecular formula C7H6ClNO2 and molecular weight 171.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Chloro-2-Nitrotoluene (C7H6ClNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 171.58 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Chloro-2-Nitrotoluene 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 | C7H6ClNO2 |
| Molecular Weight | 171.58 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 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 4-Chloro-3-Nitrotoluene (CAS 89-60-1)
- 6-Chloro-2-Picolinic Acid-Methyl Ester (CAS 6636-55-1)
- 3-Chloro-4-Nitrotoluene (CAS 38939-88-7)
- 6-Chloro-5,7-dihydro-4H-purin-2-amine (CAS 851212-98-1)
- (R)-5-Amino-2-(methylamino)pentanoic acid (CAS 862504-04-9)
- 7-Chloro-N-(3-methoxyphenyl)thiazolo[5,4-d]pyrimidin-2-amine (CAS 1242240-97-6)
- 3-(tert-Butyl)-2-cyclopropoxy-N-methylaniline (CAS 1243406-97-4)
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- 2-Methyl-5-piperidin-3-yl-2H-pyrazol-3-ol dihydrochloride (CAS 1229625-41-5)
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