1,2-Diiodo-3-methylbenzene CAS 1608-48-6
| CAS No. | 1608-48-6 |
| Molecular Formula | C7H6I2 |
| Molecular Weight | 343.93 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 1,2-Diiodo-3-methylbenzene.
1,2-Diiodo-3-methylbenzene (CAS 1608-48-6), molecular formula C7H6I2 and molecular weight 343.93 g/mol, is a CATO reference standard with documented purity and traceability.
1,2-Diiodo-3-methylbenzene (C7H6I2) contains iodine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 1,2-Diiodo-3-methylbenzene 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 | C7H6I2 |
| Molecular Weight | 343.93 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1957 |
| Halogen Content | I-containing |
Related Diiodo Standards
- 1,2-Diiodo-4-methylbenzene (CAS 1608-47-5)
- 1,3-Diiodo-2-methylbenzene (CAS 89795-47-1)
- 1,4-Diiodo-2-methylbenzene (CAS 75838-38-9)
- 4,5-Diiodo-1H-pyrrole-2-carbonitrile (CAS 51148-01-7)
- 2,4-Diiodo-5-methylpyridine (CAS 1196884-09-9)
- 3,5-Diiodo-2-methylpyridine (CAS 1370342-26-9)
- 3,5-Diiodo-4-methylpyridine (CAS 98139-01-6)
- 4,6-Diiodo-2-methylpyrimidine (CAS 66298-49-5)
Recommended Standards
- 3,4-Dibromo-6-(trifluoromethyl)-1H-indazole (CAS 1000342-43-7)
- 3-Bromo-2-fluoro-6-iodobenzamide (CAS 217816-60-9)
- 1-Iodo-4-(iodomethyl)benzene (CAS 287208-66-6)
- 6-Bromo-3-iodo-2-nitrophenol (CAS 2090513-56-5)
- Bruceine D (CAS 21499-66-1)
- 2-{[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]sulfanyl}acetic acid (CAS 1281935-95-2)
- Ethyl 2-(4-oxopiperidin-1-yl)nicotinate (CAS 1016524-78-9)
- 3-Piperidinyl 4-methoxybenzoate hydrochloride (CAS 1220031-95-7)
- FucĪ±(1-3)GlcNAc (CAS 52630-68-9)
- 9,9-Dimethyl-N,N-diphenyl-7-(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)-9H-fluoren-2-amine (CAS 1705571-72-7)
- {4-[2-(Benzyloxy)ethoxy]-3-methoxyphenyl}boronic acid (CAS 2377610-12-1)
- 1-(3-Hydroxypropyl)-4-sulfanylidene-1H,2H,3H,4H,5H,6H,7H-cyclopenta[d]pyrimidin-2-one (CAS 501662-86-8)
- 26039-10-1 Imidodiphosphate sodium salt sodium iminodiphosphoric acid (CAS 26039-10-1)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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