2,4-Dichloro-6-hydroxybenzene-1-sulfonyl chloride CAS 95087-77-7
| CAS No. | 95087-77-7 |
| Molecular Formula | C6H3Cl3O3S |
| Molecular Weight | 261.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,4-Dichloro-6-hydroxybenzene-1-sulfonyl chloride is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,4-Dichloro-6-hydroxybenzene-1-sulfonyl chloride (CAS 95087-77-7) is a high-purity analytical reference standard with the molecular formula C6H3Cl3O3S and a molecular weight of 261.51 g/mol.
Structurally, 2,4-Dichloro-6-hydroxybenzene-1-sulfonyl chloride (C6H3Cl3O3S) 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 261.51 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), 2,4-Dichloro-6-hydroxybenzene-1-sulfonyl chloride 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 | C6H3Cl3O3S |
| Molecular Weight | 261.51 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 | 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.) | 1984 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2,5-Dichloro-4-hydroxybenzene-1-sulfonyl chloride (CAS 71292-90-5)
- 2,4-Dichloro-6-(6-chloro-2-pyridyl)-1,3,5-triazine (CAS 1446507-39-6)
- 2,4-Dichloro-6-(difluoromethoxy)benzyl chloride (CAS 1803714-26-2)
- 3,5-Dichloro-4-(difluoromethoxy)benzyl chloride (CAS 1803714-32-0)
- 2,4-Dichloro-5-(difluoromethoxy)benzyl chloride (CAS 1803790-20-6)
- 3,4-Dichloro-5-(difluoromethoxy)benzyl chloride (CAS 1803790-23-9)
- 4,5-Dichloro-2-(difluoromethoxy)benzyl chloride (CAS 1803790-27-3)
- 2,3-Dichloro-5-(difluoromethoxy)benzyl chloride (CAS 1803790-30-8)
Recommended Standards
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- 2,4,5-Trichlorobenzenesulfonic acid (CAS 6378-25-2)
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- 3-([1,1'-Biphenyl]-4-yl)-5,6-dihydroimidazo[2,1-b]thiazole (CAS 23224-13-7)
- 1-(5-Bromo-2-fluorobenzyl)-4-methylpiperidine (CAS 1492223-82-1)
- Ammonium bismuth(III) 2-oxidopropane-1,2,3-tricarboxylate (CAS 25530-63-6)
- Methyl 4-(cyanomethyl)morpholine-2-carboxylate (CAS 1311318-34-9)
- 2-Bromo-4-hydroxythiazole-5-carboxylic acid (CAS 1506464-12-5)
- Methyl (5-nitrothiazol-2-yl)carbamate (CAS 98024-73-8)
- 8-Methoxy-2-(trifluoromethyl)-1,2-dihydro-4H-thieno[2,3-c]chromen-4-one 3,3-dioxide (CAS 756836-88-1)
- Des-[Gly]31-Semaglutide(x TFA Salt) (CAS 873874-39-6(free base))
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