2,4,6-Trimethylbenzene-1,3-disulfonyl dichloride CAS 68985-08-0
| CAS No. | 68985-08-0 |
| Molecular Formula | C9H10Cl2O4S2 |
| Molecular Weight | 317.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,4,6-Trimethylbenzene-1,3-disulfonyl dichloride (CAS 68985-08-0), molecular formula C9H10Cl2O4S2 and molecular weight 317.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H10Cl2O4S2, 2,4,6-Trimethylbenzene-1,3-disulfonyl dichloride contains a sulfone group, 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 317.21 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), 2,4,6-Trimethylbenzene-1,3-disulfonyl dichloride 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 | C9H10Cl2O4S2 |
| Molecular Weight | 317.21 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
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- (2,4,6-Trimethylbenzene-1,3,5-triyl)trimethanol (CAS 69125-03-7)
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Recommended Standards
- 2-Chloro-4-(4-chlorophenyl)-6-methyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 1710661-48-5)
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- 2-Chloro-4-(2-chlorophenyl)-6-methyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 1707372-28-8)
- 2-Bromo-1,3-difluoro-5-(4-propylcyclohexyl)benzene (CAS 848093-70-9)
- 1,3-Isobenzofurandione, polymer with 2-(hydroxymethyl)-2-methyl-1,3-propanediol, tetradecanoate (CAS 64653-92-5)
- (2-Methylpiperazine-1,4-diyl)bis((2-chlorophenyl)methanone) (CAS 325991-83-1)
- 3-Bromo-1H-pyrrolo[3,2-c]pyridine-4-carboxylic acid (CAS 1000341-43-4)
- Rilpivirine Impurity 13 (CAS CATO-C4X-136313)
- 2-((4,5-Dimethyl-4H-1,2,4-triazol-3-yl)thio)acetonitrile (CAS 626227-15-4)
- N-methyl-1-(3-methyl-3H-imidazo[4,5-b]pyridin-2-yl)methanamine (CAS 1344000-15-2)
- 3-Phenyloxirane-2-carbaldehyde (CAS 5693-99-2)
- (2-Chloroethyl)triphenylphosphonium bromide (CAS 31238-20-7)
- Tert-butyl 4-((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamoyl)piperazine-1-carboxylate (CAS 1704081-91-3)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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