1,4-Dichloro-2-(2-chloroethanesulfonyl)benzene CAS 790263-68-2
| CAS No. | 790263-68-2 |
| Molecular Formula | C8H7Cl3O2S |
| Molecular Weight | 273.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,4-Dichloro-2-(2-chloroethanesulfonyl)benzene 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.
CATO supplies 1,4-Dichloro-2-(2-chloroethanesulfonyl)benzene (CAS 790263-68-2), a certified reference material (molecular formula C8H7Cl3O2S, MW 273.56 g/mol) for analytical method development and quality control.
Structurally, 1,4-Dichloro-2-(2-chloroethanesulfonyl)benzene (C8H7Cl3O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 273.56 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C8H7Cl3O2S |
| Molecular Weight | 273.56 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1986 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2-(3,4-Dichloro-phenyl)-ethanesulfonyl chloride (CAS 1161945-63-6)
- 2,5-Dichloro-3,6-dimethylbenzene-1-sulfonyl chloride (CAS 854860-52-9)
- 4,6-Dichloro-5-(4-chlorophenyl)-2-methylpyrimidine (CAS 146532-97-0)
- 4,5-Dichloro-2-iodopyridine (CAS 1196152-86-9)
- 3,5-Dichloro-2-iodopyridine (CAS 1214350-54-5)
- 3,6-Dichloro-2-iodopyridine (CAS 1353056-41-3)
- 2,6-Dichloro-3-Iodopyridine (CAS 148493-37-2)
- 3,4-Dichloro-2-iodopyridine (CAS 1803766-64-4)
Recommended Standards
- 1-(2-bromo-7-chloro-1-methyl-1H-indol-3-yl)methanamine (CAS 1781744-08-8)
- 2-(3,5-Dichlorophenyl)ethane-1-sulfonyl chloride (CAS 93427-16-8)
- 5-Bromo-2-(tert-butyl)-6-chloronicotinonitrile (CAS 1707609-56-0)
- 2-Chloro-3,5-bis(trifluoromethyl)benzonitrile (CAS 1309602-03-6)
- 2,6-Dichloro-N1-(2-(dimethylamino)ethyl)benzene-1,4-diamine (CAS 1695170-50-3)
- 3,3＇,5,5＇-Tetra-tert-butyl-2,2＇-dihydroxybiphenyl (CAS 6390-69-8)
- 4-Methyl-1-(pyridin-2-yl)-1h-pyrazol-5-amine (CAS 1448854-64-5)
- 5-Methyl-4-nitrothiophene-2-sulfonyl chloride (CAS 61714-77-0)
- 5-Hydroxyisoquinoline-3-carbonitrile (CAS 1780560-04-4)
- 1-(Benzenesulfonyl)-2-bromo-1H-pyrrole (CAS 168106-36-3)
- 3-Amino-N-(2-methoxyphenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496800-98-7)
- 6-Chloro-2,3-dimethylaniline (CAS 221068-69-5)
- 6-Methoxy-2,2-dimethyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 928256-37-5)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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