4-Chloro-2-iodotoluene CAS 33184-48-4
| CAS No. | 33184-48-4 |
| Molecular Formula | C7H6ClI |
| Molecular Weight | 252.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Chloro-2-iodotoluene.
4-Chloro-2-iodotoluene (CAS 33184-48-4), molecular formula C7H6ClI and molecular weight 252.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Chloro-2-iodotoluene (C7H6ClI) contains chlorine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 252.48 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4-Chloro-2-iodotoluene 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 | C7H6ClI |
| Molecular Weight | 252.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl/I-containing |
Related Chloro Standards
- 2-Chloro-1-iodo-3-methylbenzene (CAS 116632-40-7)
- 2-Chloro-5-iodotoluene (CAS 116632-41-8)
- 2-Chloro-1-iodo-4-methylbenzene (CAS 116632-42-9)
- 1-Chloro-3-iodo-5-methylbenzene (CAS 116632-43-0)
- 1-Chloro-2-(iodomethyl)benzene (CAS 70450-40-7)
- 1-Chloro-3-(iodomethyl)benzene (CAS 70450-41-8)
- 1-Chloro-4-(iodomethyl)benzene (CAS 35424-56-7)
- 2-Chloro-6-iodotoluene (CAS 42048-11-3)
Recommended Standards
- 4-Chloro-1-iodo-2-methylbenzene (CAS 23399-70-4)
- 4-Chloro-3-iodotoluene (CAS 2401-22-1)
- 3-Octadecene (CAS 79647-77-1)
- 1-Octadecene (CAS 112-88-9)
- 1-[(2,4-dichlorophenyl)methyl]-1H-1,2,3-triazole-4-carboxylic acid (CAS 1253906-28-3)
- Copper(II) hexafluoro-2,4-pentanedionate dihydrate (CAS 17156-87-5)
- 2-(2-Fluoro-5-methylphenoxy)ethane-1-sulfonyl chloride (CAS 1481672-20-1)
- Benzyl (S)-3-(hydroxymethyl)piperazine-1-carboxylate (CAS 930837-02-8)
- (4-Nitro-1H-pyrazol-3-yl)methanol (CAS 1479085-67-0)
- 6-(Methylsulfonyl)pyridine-3,4-diamine (CAS 1415387-41-5)
- Dimethylhydroxypyrimidine 13C15N2 Hydrochloride (CAS 1329509-46-7)
- 5-(Bromomethyl)-2-methylheptane (CAS 859774-04-2)
- 6-Iodo-1,2,3,4-tetrahydroquinoline (CAS 193354-16-4)
- Palmitoyl Tripeptide-8 TFA salt (CAS 936544-53-5)
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