3-Chloro-2-fluoro-5-nitrobenzene-1-sulfonyl chloride CAS 1094690-77-3
| CAS No. | 1094690-77-3 |
| Molecular Formula | C6H2Cl2FNO4S |
| Molecular Weight | 274.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Chloro-2-fluoro-5-nitrobenzene-1-sulfonyl chloride (C6H2Cl2FNO4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 274.05 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3-Chloro-2-fluoro-5-nitrobenzene-1-sulfonyl chloride (CAS 1094690-77-3), a certified reference material (molecular formula C6H2Cl2FNO4S, MW 274.05 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 3-Chloro-2-fluoro-5-nitrobenzene-1-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H2Cl2FNO4S |
| Molecular Weight | 274.05 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 methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-fluoro-5-nitrobenzene-1-sulfonyl chloride (CAS 125607-05-8)
- 2-Chloro-5-fluoro-3-nitrobenzenesulfonyl chloride (CAS 1258650-43-9)
- 5-chloro-4-fluoro-2-nitrobenzene-1-sulfonyl chloride (CAS 1394083-83-0)
- 5-chloro-2-fluoro-4-nitrobenzene-1-sulfonyl chloride (CAS 1803605-95-9)
- 2-(4-chloro-2-nitrophenyl)-5-(chloromethyl)-1,3,4-oxadiazole (CAS 1152521-09-9)
- 3-(2-Chloro-5-nitrophenyl)-5-(chloromethyl)-1,2,4-oxadiazole (CAS 886365-77-1)
- (4E)-4-(2-Chloro-6-fluorobenzylidene)-3-(chloromethyl)isoxazol-5(4H)-one 1142198-88-6 (CAS 1142198-88-6)
- 5-(2-Chloro-6-fluorophenyl)-3-methylisoxazole-4-carbonyl chloride (CAS 347186-83-8)
Recommended Standards
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