(3-methanesulfonylphenyl)methanesulfonyl chloride CAS 1368630-29-8
| CAS No. | 1368630-29-8 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 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.
(3-methanesulfonylphenyl)methanesulfonyl chloride (CAS 1368630-29-8) is a high-purity analytical reference standard with the molecular formula C8H9ClO4S2 and a molecular weight of 268.74 g/mol.
Structurally, (3-methanesulfonylphenyl)methanesulfonyl chloride (C8H9ClO4S2) 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 268.74 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 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.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related methanesulfonylphenyl Standards
- (2-Methanesulfonylphenyl)methanesulfonyl chloride (CAS 83055-85-0)
- 5-(4-Methanesulfonylphenyl)-5-methylimidazolidine-2,4-dione (CAS 1052560-75-4)
- 1-(2-Methanesulfonylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 1269151-16-7)
- (3-Methanesulfonylphenyl)(4-methylphenyl)methanone (CAS 1094457-99-4)
- (3-methanesulfonylphenyl)(4-methylphenyl)methanamine (CAS 1016698-41-1)
- 1-[1-(4-methanesulfonylphenyl)ethyl]piperidin-4-amine (CAS 1038973-85-1)
- 5-(4-Methanesulfonylphenyl)-1,2,4-triazin-3-amine (CAS 1094231-73-8)
- 5-(3-methanesulfonylphenyl)pyridin-2-amine (CAS 1314987-83-1)
Recommended Standards
- 4-(2-(4-CHLORO-5H-PYRROLO[2,3-D]PYRIMIDIN-7(6H)-YL)ETHYL)MORPHOLINE (CAS 1351980-71-6)
- 2-Chloro-4-[4-(2-hydroxyethyl)piperazino]benzaldehyde (CAS 1381944-80-4)
- 2-Isobutyramidothiazole-5-sulfonyl chloride (CAS 1315366-18-7)
- 4-[3-chloro-4-(1-hydroxyethyl)phenyl]-1-methylpiperazin-2-one (CAS 1384431-22-4)
- 3-Bromo-1,2,4,5-tetramethylbenzene (CAS 1646-53-3)
- 2-(1-Hydroxy-3-butynyl)-4-(1,2,4-triazolylmethyl)aniline (CAS 1329797-47-8)
- Isoferulic Acid 3-O-Sulfate (CAS 1258842-19-1)
- 3-[(2-Allylphenoxy)methyl]pyrrolidinehydrochloride (CAS 1220037-15-9)
- tert-Butyl (5-iodopentyl)carbamate (CAS 262278-05-7)
- Methyl 5-Fluoropyrimidine-2-carboxylate (CAS 1227575-47-4)
- 1,2-Diazaspiro[2.4]hept-1-ene-5-carboxylic acid (CAS 2098110-76-8)
- 4,6-Dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1167055-31-3)
- 2-Cyclopentyl-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione (CAS 117311-84-9)
- Galanin-Like Peptide (porcine) trifluoroacetate salt (CAS 245114-96-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com