4-Methoxy-2,5-dimethylbenzenesulfonyl chloride CAS 91179-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91179-12-3 |
| Molecular Formula | C9H11ClO3S |
| Molecular Weight | 234.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-2,5-dimethylbenzenesulfonyl chloride (CAS 91179-12-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11ClO3S. Molecular weight: 234.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11ClO3S |
| Molecular Weight | 234.70 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.) | 1983 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2-Methoxy-4,6-dimethylbenzene-1-sulfonyl chloride (CAS 1021373-11-4)
- (4-Methoxy-3-methylphenyl)methanesulfonyl chloride (CAS 1194375-45-5)
- 2-Methoxy-2-phenylethane-1-sulfonyl chloride (CAS 1785454-64-9)
- 2-Methoxy-3,5-dimethylbenzene-1-sulfonyl chloride (CAS 749268-53-9)
- 2-Methoxy-4,5-dimethylbenzenesulfonyl chloride (CAS 90416-52-7)
- 4-Methoxy-2,6-dimethylbenzenesulfonyl Chloride (CAS 55661-08-0)
- 4-Methoxy-3,5-dimethylbenzene-1-sulfonyl chloride (CAS 75157-75-4)
- 5-Methoxy-2,4-dimethylbenzenesulfonyl chloride (CAS 91179-11-2)
Recommended Standards
- 4-Isopropoxybenzene-1-sulfonyl chloride (CAS 98995-40-5)
- 4-Ethoxy-3-methylbenzenesulfonyl chloride (CAS 69129-64-2)
- 4-Ethoxy-2-methylbenzene-1-sulfonyl chloride (CAS 68978-28-9)
- Ethyl 3-chloro-6-(pyridin-4-yl)pyridazine-4-carboxylate (CAS 161228-78-0)
- (3aR,4R,5R,6aS)-4-((R,E)-3-((tert-Butyldimethylsilyl)oxy)-4-(3-(trifluoromethyl)phenoxy)but-1-en-1-yl)-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl [1,1'-biphenyl]-4-carboxylate (CAS 865087-08-7)
- N-ethyl-2-(thietan-3-ylamino)acetamide (CAS 1872011-80-7)
- 1-(3-Butoxy-4-methoxyphenyl)propan-1-one (CAS 1443348-26-2)
- (1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione (CAS 595-29-9)
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