4,5,6,7-Tetrahydrobenzothiophene-2-sulfonyl Chloride CAS 128852-17-5
| CAS No. | 128852-17-5 |
| Molecular Formula | C8H9ClO2S2 |
| Molecular Weight | 236.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5,6,7-Tetrahydrobenzothiophene-2-sulfonyl Chloride.
CATO supplies 4,5,6,7-Tetrahydrobenzothiophene-2-sulfonyl Chloride (CAS 128852-17-5), a certified reference material (molecular formula C8H9ClO2S2, MW 236.74 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H9ClO2S2, 4,5,6,7-Tetrahydrobenzothiophene-2-sulfonyl Chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,5,6,7-Tetrahydrobenzothiophene-2-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 | C8H9ClO2S2 |
| Molecular Weight | 236.74 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.) | 1993 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Tetrahydrobenzothiophene Standards
- Ethyl 4,5,6,7-Tetrahydrobenzothiophene-3-carboxylate (CAS 14559-12-7)
- 4,5,6,7-Tetrahydrobenzothiophene-2-carboxamide (CAS 57021-58-6)
- 4,5,6,7-Tetrahydrobenzothiophene-3-carboxamide (CAS 95461-21-5)
- 4,5,6,7-Tetrahydrobenzothiophene-2-carbaldehyde (CAS 57021-53-1)
- 4,5,6,7-Tetrahydrobenzothiophene (CAS 13129-17-4)
- 4,5,6,7-Tetrahydrobenzothiophene-3-methanamine (CAS 924838-30-2)
Recommended Standards
- 3-(4-Chlorophenyl)-1-cyclopropylpiperazine (CAS 1248908-14-6)
- (2-Chlorophenyl)(cycloheptyl)methanone (CAS 1443304-21-9)
- 3-(2-Chlorophenyl)-1-cyclopropylpiperazine (CAS 1248907-94-9)
- (3-Chlorophenyl)(cycloheptyl)methanone (CAS 1443310-47-1)
- 3-Chloro-1-methyl-1H-pyrazole-4-carboxamide (CAS 150187-10-3)
- Ethyl 2-bromo-6-methoxynicotinate (CAS 1805151-37-4)
- Acetaldehyde, (4-fluorophenoxy)- (CAS 59769-38-9)
- 2,3-Dibromo-5-fluorobenzyl bromide (CAS 1806328-21-1)
- Volatile Mix 59 (CAS CATO-MVOC109159-ME)
- 3-(4-Bromo-2-fluorophenyl)-1h-1,2,4-triazol-5-amine (CAS 1016771-38-2)
- CAS 2260669-82-5 (CAS 2260669-82-5)
- N-Boc-2-(tosyloxymethyl)morpholine (CAS 130546-33-7)
- 3-Amino-N-methoxy-N-methylbenzamide (CAS 1156151-22-2)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
Why CATO?
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