23378-88-3 Benzenesulfonyl chloride, 3,5-dichloro-2-hydroxy- 3,5-Dichloro-2-hydroxybenzenesulphonyl chloride EINECS 245-619-9 CAS 23378-88-3
| CAS No. | 23378-88-3 |
| Molecular Formula | C6H9Cl3O3S |
| Molecular Weight | 267.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 23378-88-3 Benzenesulfonyl chloride, 3,5-dichloro-2-hydroxy- 3,5-Dichloro-2-hydroxybenzenesulphonyl chloride EINECS 245-619-9 (CAS 23378-88-3), a certified reference material (molecular formula C6H9Cl3O3S, MW 267.56 g/mol) for analytical method development and quality control.
Structurally, 23378-88-3 Benzenesulfonyl chloride, 3,5-dichloro-2-hydroxy- 3,5-Dichloro-2-hydroxybenzenesulphonyl chloride EINECS 245-619-9 (C6H9Cl3O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 267.56 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 | C6H9Cl3O3S |
| Molecular Weight | 267.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
- 5-[(Benzenesulfonyl)methyl]-2-chloropyridine (CAS 478048-53-2)
- 1-(benzenesulfonyl)cyclohexane-1-carboxylic acid (CAS 74254-66-3)
- 2-(benzenesulfonyl)ethane-1-sulfonyl chloride (CAS 64440-81-9)
- 2-[(Benzenesulfonyl)methyl]cyclohexane-1,3-dione (CAS 339098-50-9)
- 3-[(benzenesulfonyl)methyl]furan-2-carboxylic acid (CAS 260356-96-5)
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- 1-Benzenesulfonyl-piperidine-4-carboxylic acid (CAS 122891-92-3)
- (2E)-2-(Benzenesulfonyl)-3-phenylprop-2-enenitrile (CAS 129200-96-0)
Recommended Standards
- 5-Chloro-4-methyl-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 2377608-30-3)
- 4-Bromo-5-propylthiophene-2-carbonyl chloride (CAS 1160249-08-0)
- 5-Chloro-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 877161-36-9)
- 1-Bromo-4-((2-chloroethyl)sulfinyl)benzene (CAS 1172242-95-3)
- 2-Amino-N-isopropyl-N-(3-nitrobenzyl)acetamide (CAS 1353951-84-4)
- 2,4,5-trichloropyrrolo[2,1-f][1,2,4]triazine (CAS 1627905-79-6)
- (3-Methylquinoxalin-2-yl)methyl 2H-chromene-3-carboxylate (CAS 1062089-15-9)
- 2-thiazoleacetonitrile (CAS 101010-74-6)
- Methyl 3-oxo-3-(3,4,5-trimethoxyphenyl)propanoate (CAS 139148-39-3)
- 2-(3-Chloro-5-methylphenoxy)acetic acid (CAS 25141-36-0)
- (3-Chloro-2-fluorobenzyl)(4-chloro-3-fluorophenyl)sulfane (CAS 1443304-09-3)
- 2-(((3-Bromothiophen-2-yl)methyl)(cyclopentyl)amino)acetamide (CAS 1303707-97-2)
- Tricarbonyl[(triphenylphosphonio)(triphenylphosphoranylidene)methyl]nickel (CAS 52615-01-7)
- Cyclolinopeptide B (CAS 193139-41-2)
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