2-Chlorothiophene-3,5-bis(sulfonyl chloride) CAS 86806-70-4
| CAS No. | 86806-70-4 |
| Molecular Formula | C4HCl3O4S3 |
| Molecular Weight | 315.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chlorothiophene-3,5-bis(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.
CATO supplies 2-Chlorothiophene-3,5-bis(sulfonyl chloride) (CAS 86806-70-4), a certified reference material (molecular formula C4HCl3O4S3, MW 315.60 g/mol) for analytical method development and quality control.
Structurally, 2-Chlorothiophene-3,5-bis(sulfonyl chloride) (C4HCl3O4S3) contains a carbohydrate-derived structure, a sulfone group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 315.60 g/mol, it falls into the moderately-high-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 | C4HCl3O4S3 |
| Molecular Weight | 315.60 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
Related Chlorothiophene Standards
- Ethyl 4-(5-chlorothiophene-2-sulfonamido)butanoate (CAS 85844-86-6)
- 3-Chlorothiophene-2-carbonyl chloride (CAS 683274-60-4)
- 2-(5-Chlorothiophene-2-carboxamido)-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 893095-20-0)
- Methyl 5-(5-chlorothiophene-2-carbonyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-4-carboxylate (CAS 1421449-13-9)
- Ethyl 4-(3-chlorothiophene-2-carbonyl)isoxazole-3-carboxylate (CAS 338982-48-2)
- 4-(3-Chlorothiophene-2-carbonyl)-N,N-dimethyl-1H-pyrrole-2-carboxamide (CAS 477852-68-9)
- 3-(5-Chlorothiophene-2-carboxamido)benzoic acid (CAS 830340-41-5)
- n-(5-Chlorothiophene-2-carbonyl)-n-isobutylglycine (CAS 1455797-73-5)
Recommended Standards
- 6-Bromo-5-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole (CAS 2072808-92-3)
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- 4-Bromo-6-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole (CAS 1988729-24-3)
- 4-Chloro-8-(trifluoromethoxy)-2-(trifluoromethyl)quinoline (CAS 306935-27-3)
- 5-Ethyl-2-methylmorpholine-4-sulfonyl chloride (CAS 1247192-92-2)
- 1,2,4,5-TETRAISOPROPYLBENZENE (CAS 635-11-0)
- 2-Bromo-3,5-difluoro-6-methylaniline (CAS 2829351-17-7)
- (E)-2-(4-Bromophenyl)-3-cyclohexylprop-2-en-1-ol (CAS 731018-47-6)
- 4-Fluoro-8-methoxy-2-(trifluoromethyl)quinoline (CAS 537033-68-4)
- tert-Butyl ((1s,4r)-4-(4-hydroxybutyl)cyclohexyl)carbamate (CAS 2756844-66-1)
- 4-Amino-1-methylpyrrolidin-3-ol (CAS 1027193-30-1)
- N-(1,3-Benzodioxol-5-ylmethyl)-3-pentanamine hydrobromide (CAS 1609407-98-8)
- (R)-1-Boc-3-carboxymethoxy-pyrrolidine (CAS 170097-85-5)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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