2,2,4,5,6,7-Hexachloro-1H-indene-1,3(2H)-dione CAS 82381-17-7
| CAS No. | 82381-17-7 |
| Molecular Formula | C9Cl6O2 |
| Molecular Weight | 352.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2,2,4,5,6,7-Hexachloro-1H-indene-1,3(2H)-dione (CAS 82381-17-7), a certified reference material (molecular formula C9Cl6O2, MW 352.81 g/mol) for analytical method development and quality control.
Based on its molecular formula C9Cl6O2, 2,2,4,5,6,7-Hexachloro-1H-indene-1,3(2H)-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 352.81 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.
As a certified reference material (CRM), 2,2,4,5,6,7-Hexachloro-1H-indene-1,3(2H)-dione 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 | C9Cl6O2 |
| Molecular Weight | 352.81 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
Related Hexachloro Standards
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Recommended Standards
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- 1-(4-Chlorobenzyl)-N-methyl-6-oxo-N-phenyl-1,6-dihydropyridine-3-carboxamide (CAS 338783-39-4)
- 3-((2-Chloro-6-fluorobenzyl)thio)-5-propyl-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one (CAS 891126-99-1)
- Hydrotris(triphenylphosphine)rhodium (CAS 16973-49-2)
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- Methyl 3-fluoro-2-iodobenzoate (CAS 393-78-2)
- 1,3-diiodobicyclo[1.1.1]pentane (CAS 105542-98-1)
- N-(2-(3-Acetyl-2-methylindolizin-1-yl)propyl)-N,N,2,5-tetramethylbenzenaminium chloride (CAS 66967-61-1)
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- 2-(4-Bromo-6-(difluoromethyl)-3-iodopyridin-2-yl)acetic acid (CAS 1806872-63-8)
- 2-(3-Ethoxyphenyl)ethan-1-ol (CAS 1000521-80-1)
- 2-(((5-Chloro-2,4-dimethoxyphenyl)amino)methyl)-6-methoxyphenol (CAS 196938-27-9)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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