4,5-Diiodo-2-methylimidazole CAS 73746-44-8
| CAS No. | 73746-44-8 |
| Molecular Formula | C4H4I2N2 |
| Molecular Weight | 333.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,5-Diiodo-2-methylimidazole is closely related to a nitrile group, iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4,5-Diiodo-2-methylimidazole (CAS 73746-44-8), a certified reference material (molecular formula C4H4I2N2, MW 333.90 g/mol) for analytical method development and quality control.
The molecular framework of 4,5-Diiodo-2-methylimidazole (C4H4I2N2) is characterized by a nitrile group, iodine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 4,5-Diiodo-2-methylimidazole 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 | C4H4I2N2 |
| Molecular Weight | 333.90 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Diiodo Standards
- 2,5-Diiodo-4-methylimidazole (CAS 149510-85-0)
- 2,4-Diiodo-1-methyl-1H-imidazole (CAS 71794-53-1)
- 3,4-Diiodo-5-methyl-1H-pyrazole (CAS 6715-87-3)
- 3,5-Diiodo-4-methyl-1H-pyrazole (CAS 866639-16-9)
- 4,5-Diiodo-1-methylimidazole (CAS 37067-96-2)
- 2,5-diiodo-1-methyl-1H-imidazole (CAS 86026-81-5)
- 1,5-Diiodo-3-methylpentane (CAS 51174-46-0)
- 4,5-diiodo-1-methyl-triazole (CAS 1248676-71-2)
Recommended Standards
- 7-Chloro-4-((2-methylbenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine (CAS 477860-41-6)
- 3-Bromo-2,5-difluoro-4-iodoaniline (CAS 2852766-94-8)
- 7-Chloro-4-((3-methylbenzyl)thio)-2,3-dihydrobenzo[b][1,4]thiazepine (CAS 303987-77-1)
- 3-Bromo-2,4-difluoro-6-iodoaniline (CAS 2219373-70-1)
- 1H-Benzimidazolesulfonic acid, 2-heptadecyl-1-methyl- (CAS 68966-82-5)
- Ethyl 5-(3-chlorophenyl)isoxazole-3-carboxylate (CAS 657424-77-6)
- 3-(1-Methyl-1H-pyrazol-4-yl)propanal (CAS 192661-39-5)
- [{2-[4-(Aminocarbonyl)piperidin-1-yl]-2-oxoethyl}(4-methoxyphenyl)amino]acetic acid (CAS 1142205-79-5)
- 5,6-Difluoro-1-methylpyrimidine-2,4(1H,3H)-dione (CAS 250658-22-1)
- Dimethyl 4,4'-(hexane-1,6-diylbis(oxy))dibenzoate (CAS 121595-36-6)
- ethyl (5-amino-4-cyano-1H-pyrazol-1-yl)acetate (CAS 1356641-11-6)
- 4-Hydroxy-5-methylquinoline-2-carboxylic acid (CAS 36303-31-8)
- N1-(2,4-dimethoxybenzyl)-N3,N3-dimethylpropane-1,3-diamine (CAS 46906-87-0)
- SAMS Peptide (CAS 125911-68-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com