4,5-Diiodo-1,2-Benzenedicarboxaldehyde CAS 875535-39-0
| CAS No. | 875535-39-0 |
| Molecular Formula | C8H4I2O2 |
| Molecular Weight | 385.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,5-Diiodo-1,2-Benzenedicarboxaldehyde is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4,5-Diiodo-1,2-Benzenedicarboxaldehyde (CAS 875535-39-0), a certified reference material (molecular formula C8H4I2O2, MW 385.93 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H4I2O2, 4,5-Diiodo-1,2-Benzenedicarboxaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 385.93 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4,5-Diiodo-1,2-Benzenedicarboxaldehyde 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 | C8H4I2O2 |
| Molecular Weight | 385.93 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
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Recommended Standards
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(2-isopropyl-6-methylphenyl)acetamide (CAS 329779-62-6)
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- 1-Bromo-2-(bromomethyl)-3,5-bis(trifluoromethyl)benzene (CAS 1807224-31-2)
- N-(4-butylphenyl)-2-(4-(3-chlorophenyl)piperazin-1-yl)acetamide (CAS 301194-37-6)
- Boc-Tyr(tBu)-Tyr(tBu)-OH (CAS CATO-CPTD788752)
- N-Allyl-2-((4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 325476-27-5)
- (4-(tert-Butyl)-2-hydroxyphenyl)boronic acid (CAS 1068155-22-5)
- 4,6-dichloro-1,7-naphthyridine (CAS 1301714-24-8)
- 6-chloro-1-deazapurine (CAS 6980-11-6)
- 4-Chloro-2-isopropylquinazoline (CAS 38154-42-6)
- 2-(Piperidin-1-yl)acetaldehyde (CAS 4671-96-9)
- Benzyl 2'-methyl[1,1'-biphenyl]-2-yl ether (CAS 893739-59-8)
- Ms-PEG7-Ms (CAS 109789-41-5)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
Why CATO?
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