2-(P-tolyloxy)benzenesulfonylchloride CAS 206262-15-9
| CAS No. | 206262-15-9 |
| Molecular Formula | C13H11ClO3S |
| Molecular Weight | 282.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(P-tolyloxy)benzenesulfonylchloride (C13H11ClO3S) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 282.74 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-(P-tolyloxy)benzenesulfonylchloride (CAS 206262-15-9), a certified reference material (molecular formula C13H11ClO3S, MW 282.74 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C13H11ClO3S |
| Molecular Weight | 282.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related P Standards
- 4-(m-Tolyloxy)benzenesulfonyl chloride (CAS 1016513-15-7)
- 3-(O-tolyloxy)benzenesulfonylchloride (CAS 885950-88-9)
- 3-(P-tolyloxy)benzenesulfonylchloride (CAS 885950-86-7)
- 4-(o-Tolyloxy)benzenesulfonyl Chloride (CAS 610277-83-3)
- (1-(2-(P-tolyloxy)ethyl)-1H-benzo[d]imidazol-2-yl)methanol (CAS 313067-45-7)
- 2-(2-(2-(2-(o-Tolyloxy)ethoxy)ethoxy)ethoxy)ethan-1-ol (CAS 53743-11-6)
- 1-(2-(M-tolyloxy)ethyl)-1H-benzo[d]imidazole-2-carbaldehyde (CAS 889951-23-9)
- 1-(2-(P-tolyloxy)ethyl)-1H-benzo[d]imidazole-2-carbaldehyde (CAS 889951-28-4)
Recommended Standards
- 4-(4-Methylphenoxy)benzene-1-sulfonyl chloride (CAS 192329-90-1)
- 3'-Methoxybiphenyl-4-sulfonyl chloride (CAS 186550-26-5)
- 4'-Methoxy-[1,1'-biphenyl]-2-sulfonylchloride (CAS 173253-50-4)
- 3'-Methoxy-[1,1'-biphenyl]-3-sulfonyl chloride (CAS 886502-46-1)
- Methyl 3-chloro-5-[3-(methoxycarbonyl)phenyl]benzoate (CAS 1820664-82-1)
- 2-Methyl-5-phenylfuran-3-carbaldehyde (CAS 321309-42-6)
- methyl 3-[3-(dimethylamino)phenyl]propanoate (CAS 1234503-56-0)
- 4-Methoxyphenanthrene (CAS 15638-06-9)
- 1,4,9-Trioxa-12-azadispiro[4.2.5.2]pentadecan-11-one (CAS 2177259-26-4)
- (E)-3-Cyano-3-(methylimino)-2-oxopropanoic acid (CAS 38157-71-0)
- Bitertanol (CAS 55179-31-2)
- 5,6,7,8,9,10-Hexahydrobenzo[8]annulen-6-one (CAS 62297-15-8)
- Ethyl 5-bromo-1-(propan-2-yl)-1H-imidazole-4-carboxylate (CAS 2113668-54-3)
- Rac1 Inhibitor F56, control peptide (CAS 1315378-77-8)
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