Ethyl 3-(chlorosulfonyl)-4-methoxybenzoate CAS 262589-79-7
| CAS No. | 262589-79-7 |
| Molecular Formula | C10H11ClO5S |
| Molecular Weight | 278.71 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 Ethyl 3-(chlorosulfonyl)-4-methoxybenzoate (CAS 262589-79-7), a certified reference material (molecular formula C10H11ClO5S, MW 278.71 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H11ClO5S, Ethyl 3-(chlorosulfonyl)-4-methoxybenzoate 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 278.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C10H11ClO5S |
| Molecular Weight | 278.71 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-[4-(chlorosulfonyl)-2-methylphenoxy]propanoic acid (CAS 1016822-12-0)
- methyl 3-(chlorosulfonyl)-4-(methoxymethyl)benzoate (CAS 1154149-38-8)
- methyl 3-(chlorosulfonyl)-5-(methoxymethyl)benzoate (CAS 1154149-63-9)
- 2-[3-(chlorosulfonyl)-2,6-dimethylphenoxy]acetic acid (CAS 1240528-80-6)
- methyl 2-[2-(chlorosulfonyl)-5-methoxyphenyl]acetate (CAS 18944-99-5)
- 5-(Chlorosulfonyl)-2-propxybenzoic acid (CAS 215299-78-8)
- Methyl 2-(4-(chlorosulfonyl)-2-methylphenoxy)acetate (CAS 56077-82-8)
- Methyl 3-((chlorosulfonyl)methyl)-4-methoxybenzoate (CAS 2356792-14-6)
Recommended Standards
- 8-(chloromethyl)-6-fluoro-2-phenyl-4H-1,3-benzodioxine (CAS 730992-77-5)
- 7-(4-Chlorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one (CAS 327078-55-7)
- 7-(3-Chloro-phenyl)-5-hydroxy-benzo[1,3]oxathiol-2-one (CAS 307514-06-3)
- METHYL 3-(CHLOROSULFONYL)-4-ETHOXYBENZOATE (CAS 932896-53-2)
- 2-Allyl-4-[1-(tert-butyldimethylsilanyloxymethyl)-3-methylbutyl]phenol (CAS 885266-51-3)
- 6-(Aminomethyl)-1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one hydrochloride (CAS 957719-43-6)
- Bpoc-Thr(tBu)-OSu (E-1640.0001) (CAS 62020-53-5)
- 4-Cyano-4-n-pentylbiphenyl-d (CAS 117950-85-3)
- 3-(tert-Butyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 2198019-85-9)
- 3-Methyl-6-(trifluoromethoxy)pyridin-2-amine (CAS 1361681-16-4)
- 3-(Phenyldiazenyl)aniline (CAS 2835-59-8)
- 2-(Piperidin-4-yl)-5-(trifluoromethyl)pyrimidine (CAS 944903-11-1)
- N-(3,5-Dimethoxyphenyl)-4-methylbenzamide (CAS 423732-02-9)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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