85-46-1 3WYX4I0SJR 1-Chlorosulfonylnaphthalene 1-Naphthalenesulfonyl chloride Naphthalene-1-sulphonyl chloride AI3-19494 EINECS 201-609-6 alpha-Naphthalenesulfochloride alpha-Naphthalenesulfonyl chloride 1-Naphthylsulfonyl chloride NSC 74636 UNII-3WYX4I0SJR CAS 85-46-1
| CAS No. | 85-46-1 |
| Molecular Formula | C10H17ClO2S |
| Molecular Weight | 236.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
85-46-1 3WYX4I0SJR 1-Chlorosulfonylnaphthalene 1-Naphthalenesulfonyl chloride Naphthalene-1-sulphonyl chloride AI3-19494 EINECS 201-609-6 alpha-Naphthalenesulfochloride alpha-Naphthalenesulfonyl chloride 1-Naphthylsulfonyl chloride NSC 74636 UNII-3WYX4I0SJR (CAS 85-46-1), molecular formula C10H17ClO2S and molecular weight 236.76 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 85-46-1 3WYX4I0SJR 1-Chlorosulfonylnaphthalene 1-Naphthalenesulfonyl chloride Naphthalene-1-sulphonyl chloride AI3-19494 EINECS 201-609-6 alpha-Naphthalenesulfochloride alpha-Naphthalenesulfonyl chloride 1-Naphthylsulfonyl chloride NSC 74636 UNII-3WYX4I0SJR is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 236.76 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
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 | C10H17ClO2S |
| Molecular Weight | 236.76 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- (7,7-Dimethylbicyclo[2.2.1]heptan-1-yl)methanesulfonyl chloride (CAS 173852-58-9)
- 93-11-8 2-Naphthalenesulfonyl chloride Naphthalene-2-sulphonyl chloride EINECS 202-219-9 beta-Naphthalenesulfochloride Naphthalene-2-sulfonic acid chloride beta-Naphthalenesulfonyl chloride Naphthalene-2-sulfonyl chloride 2-Naphthylsulfonyl chloride NSC 133893 (CAS 93-11-8)
- 3-Chloro-N-(2-thiomorpholinoethyl)propanamide (CAS 1698635-80-1)
- 6-(Chloromethyl)-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene (CAS 163117-71-3)
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- 2-(1-Aminocyclohexyl)acetonitrile (CAS 204651-45-6)
- 1,3-Diphenylpropane (CAS 1081-75-0)
- Methyl 2-[4-(-2-Pyrimidyl)-1-piperazinyl]acetate (CAS 896213-29-9)
- 3,4-Dichlorocyclobut-1-ene (CAS 41326-64-1)
- N-(2-(4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)pyridin-3-yl)-4-methylbenzamide (CAS 478262-12-3)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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