Benzothiophene-6-sulfonyl Chloride CAS 685129-19-5
| CAS No. | 685129-19-5 |
| Molecular Formula | C8H5ClO2S2 |
| Molecular Weight | 232.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Benzothiophene-6-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.
Benzothiophene-6-sulfonyl Chloride (CAS 685129-19-5), molecular formula C8H5ClO2S2 and molecular weight 232.71 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Benzothiophene-6-sulfonyl Chloride (C8H5ClO2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 232.71 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 | C8H5ClO2S2 |
| Molecular Weight | 232.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Benzothiophene Standards
- Benzothiophene-3-sulfonyl chloride (CAS 18494-87-6)
- 1-Benzothiophene-2-sulfonyl Chloride (CAS 90001-64-2)
- 2-Acetyl-1-benzothiophene-3-carboxylic acid (CAS 573722-47-1)
- 7-methyl-1-benzothiophene-2-sulfonyl chloride (CAS 1158208-53-7)
- Benzothiophene-5-sulfonyl Chloride (CAS 128852-05-1)
- 2-Methyl-1-benzothiophene-3-sulfonyl chloride (CAS 90273-31-7)
- 3-Methyl-1-benzothiophene-2-sulfonyl chloride (CAS 58401-21-1)
- 1-Benzothiophene-2-sulfonamide (CAS 123126-59-0)
Recommended Standards
- 7-Chloro-4-(pyrrolidin-1-yl)quinoline (CAS 353257-12-2)
- ethyl 5-chloropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 886364-13-2)
- 6-Chloro-N-methyl-4-(o-tolyl)pyridin-3-amine (CAS 825643-65-0)
- ethyl 6-chloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 67625-38-1)
- (3S)-3-Hydroxy-L-aspartic acid (CAS 7298-99-9)
- 2-(4-Cyanophenyl)benzothiazole (CAS 17930-02-8)
- 4-Hydroxy-N-(3-(4,4,5-trimethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxamide (CAS 1704081-94-6)
- 2-methyl-N’-(5-nitropyridin-2-yl)propanehydrazide (CAS 1329296-85-6)
- 207347-46-4 Di-tetrabutylammonium cis-bis(isothiocyanato)bis(2,2 inverted exclamation marka-bipyridyl-4,4 inverted exclamation marka-dicarboxylato)ruthenium(II) N-719 dye (CAS 207347-46-4)
- Tert-butyl ((5-aminobicyclo[3.1.1]Heptan-1-yl)methyl)carbamate (CAS 2167832-93-9)
- 3,6-Dioxaoctane-1,8-diyl Bismethanethiosulfonate (CAS 212262-04-9)
- 4-methoxy-3-(pyrrolidine-1-sulfonyl)aniline (CAS 951911-18-5)
- bOrane-triphenylphosphine complex (CAS 1092524-67-8)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
Why CATO?
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