4-Methoxy-3-phenylbenzene-1-sulfonyl chloride CAS 856796-84-4
| CAS No. | 856796-84-4 |
| Molecular Formula | C13H11ClO3S |
| Molecular Weight | 282.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-3-phenylbenzene-1-sulfonyl chloride (CAS 856796-84-4), molecular formula C13H11ClO3S and molecular weight 282.74 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H11ClO3S, 4-Methoxy-3-phenylbenzene-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 282.74 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.
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.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2'-Methoxy-[1,1'-biphenyl]-3-sulfonyl chloride (CAS 1032506-66-3)
- 4'-Methoxy-[1,1'-biphenyl]-2-sulfonylchloride (CAS 173253-50-4)
- 3'-Methoxy-[1,1'-biphenyl]-3-sulfonyl chloride (CAS 886502-46-1)
- 4'-Methoxy-[1,1'-biphenyl]-3-sulfonyl chloride (CAS 799283-94-6)
- 2-Methoxy-N-((1-(thiophen-3-ylmethyl)piperidin-4-yl)methyl)acetamide (CAS 1234907-56-2)
- 1-((3-Methoxy-[1,1'-biphenyl]-4-yl)methyl)piperazine (CAS 1446819-48-2)
- 1-[(4-Methoxy-phenyl)-phenyl-methyl]-piperazine (CAS 54041-93-9)
- 12-methoxy-5-methyl-3-propyl-2,4,8,13-tetraazatricyclo[7.4.0.0²,⁶]trideca-1(13),3,5,9,11-pentaen-7-one (CAS 285552-16-1)
Recommended Standards
- 5-(((2-Chlorobenzyl)thio)methyl)furan-2-carboxylic acid (CAS 696648-20-1)
- 4-(o-Tolyloxy)benzenesulfonyl Chloride (CAS 610277-83-3)
- 5-(4-Chloro-3-methylphenoxymethyl)thiophene-2-carboxylic acid (CAS 934080-73-6)
- 4-(Benzyloxy)benzenesulfonyl Chloride (CAS 87001-32-9)
- 5-Bromo-3-methyl-1H-indazole (CAS 552331-16-5)
- 1-Bromo-4-chloro-7,8-dimethylimidazo[1,2-a]quinoxaline (CAS 1254196-53-6)
- Rel-(3R,4R)-3,4-bis(iodomethyl)-2,2,5,5-tetramethyl-1-(l1-oxidaneyl)pyrrolidine (CAS 229621-29-8)
- 4-Amino-2-chloro-6-(methylthio)pyrimidine-5-carbonitrile (CAS 54356-38-6)
- 2-(3-Bromo-5-methoxyphenyl)acetic acid (CAS 1261860-69-8)
- 2-(2,4-Dichlorophenoxy)-N'-[(1Z)-[5-nitro-2-(phenylsulfanyl)phenyl]methylidene]acetohydrazide (CAS 328263-29-2)
- 1-methyl-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1152508-77-4)
- 4-(Octyloxy)-N,N-diphenylaniline (CAS 374630-28-1)
- (2E,4E)-Hexa-2,4-dien-1-amine (CAS 61210-85-3)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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