2,4,5-Trimethoxybenzene-1-sulfonyl chloride CAS 85477-01-6
| CAS No. | 85477-01-6 |
| Molecular Formula | C9H11ClO5S |
| Molecular Weight | 266.70 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.
2,4,5-Trimethoxybenzene-1-sulfonyl chloride (CAS 85477-01-6) is a high-purity analytical reference standard with the molecular formula C9H11ClO5S and a molecular weight of 266.70 g/mol.
Based on its molecular formula C9H11ClO5S, 2,4,5-Trimethoxybenzene-1-sulfonyl chloride 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 266.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), 2,4,5-Trimethoxybenzene-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 | C9H11ClO5S |
| Molecular Weight | 266.70 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 |
| 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.) | 1981 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Trimethoxybenzene Standards
- 2,4,6-trimethoxybenzene-1-sulfonyl chloride (CAS 52499-93-1)
- (2,4,6-Trimethoxybenzene-1,3,5-triyl)trimethanamine (CAS 1001404-25-6)
- 2,4,6-Trimethoxybenzene-1,3,5-tricarbaldehyde (CAS 680575-17-1)
- 2,4,6-Trimethoxybenzene-1-sulfonamide (CAS 1343659-96-0)
- 2,3,4-trimethoxybenzene-1-sulfonamide (CAS 860514-43-8)
- 3,4,5-Trimethoxybenzene-1,2-diol (CAS 198203-73-5)
- 3,4,6-Trimethoxybenzene-1,2-diol (CAS 56002-81-4)
- 1,2,3-Trimethoxybenzene (CAS 634-36-6)
Recommended Standards
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- n-((1h-1,2,4-Triazol-5-yl)methyl)-4-bromo-2-chlorobenzamide (CAS 1179871-61-4)
- Semaglutide238 (CAS CATO-C4X-2226238)
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