5-Chloro-2-fluoro-4-methylbenzenesulfonyl chloride CAS 874801-53-3
| CAS No. | 874801-53-3 |
| Molecular Formula | C7H5Cl2FO2S |
| Molecular Weight | 243.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-2-fluoro-4-methylbenzenesulfonyl 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.
CATO supplies 5-Chloro-2-fluoro-4-methylbenzenesulfonyl chloride (CAS 874801-53-3), a certified reference material (molecular formula C7H5Cl2FO2S, MW 243.08 g/mol) for analytical method development and quality control.
Structurally, 5-Chloro-2-fluoro-4-methylbenzenesulfonyl chloride (C7H5Cl2FO2S) contains 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 243.08 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2FO2S |
| Molecular Weight | 243.08 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-fluoro-5-methylbenzene-1-sulfonyl chloride (CAS 1208076-71-4)
- (3-Chloro-4-fluorophenyl)methanesulfonyl chloride (CAS 1211516-98-1)
- 5-Chloro-4-fluoro-2-methylbenzene-1-sulfonyl chloride (CAS 1242339-40-7)
- (4-Chloro-3-fluorophenyl)methanesulfonyl chloride (CAS 1250404-82-0)
- (4-Chloro-2-fluorophenyl)methanesulfonyl chloride (CAS 1308384-53-3)
- (2-Chloro-5-fluorophenyl)methanesulfonyl chloride (CAS 1308384-59-9)
- (3-Chloro-2-fluorophenyl)methanesulfonyl chloride (CAS 1314905-61-7)
- (5-Chloro-2-fluorophenyl)methanesulfonyl chloride (CAS 1314961-07-3)
Recommended Standards
- 5-Bromobenzo[b]thiophene-2,3-dione (CAS 50891-90-2)
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- 5-Bromo-6-fluoro-1,3-dimethyl-1H-indazole (CAS 929885-09-6)
- 6-Bromo-4-fluoro-2,3-dimethyl-2H-indazole (CAS 2126824-06-2)
- 3-[2-(Biphenyl-4-yloxy)-acetylamino]-propionicacid (CAS 446828-70-2)
- 5-((Cyclopropylmethyl)sulfonyl)furan-2-carboxylic acid (CAS 1495554-01-2)
- 3-Methyl-2-phenyl-2,3-dihydrobenzo[d]thiazole (CAS 16192-33-9)
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- (E)-2-benzylidenebutanoic acid (CAS 26197-64-8)
- 6-Bromo-7-methyl-1,2,3,4-tetrahydroquinoline (CAS 1782433-03-7)
- n-(1-(Thiophen-2-yl)ethyl)butan-2-amine (CAS 1019605-14-1)
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- 1-Fluoro-4-(trichloromethoxy)benzene (CAS 407-13-6)
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Why CATO?
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