6-Chlorobenzo[b]thiophen-3(2H)-one CAS 52038-75-2
| CAS No. | 52038-75-2 |
| Molecular Formula | C8H5ClOS |
| Molecular Weight | 184.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chlorobenzo[b]thiophen-3(2H)-one (CAS 52038-75-2), molecular formula C8H5ClOS and molecular weight 184.64 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H5ClOS, 6-Chlorobenzo[b]thiophen-3(2H)-one contains sulfur-containing functionality, 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 184.64 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), 6-Chlorobenzo[b]thiophen-3(2H)-one 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 | C8H5ClOS |
| Molecular Weight | 184.64 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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- 2-Chlorobenzo[d]thiazol-4-amine (CAS 855283-00-0)
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Recommended Standards
- 4-(2-Chloroallyl)-2-fluoro-1-methylbenzene (CAS 951895-41-3)
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- 1-Methyl-1H-imidazole-2-sulfonyl chloride 1-Methylimidazole-2-sulfonyl chloride 2-Chlorosulfonyl-1-methylimidazole 55694-81-0 (CAS 55694-81-0)
- 2-(Piperidin-1-ylmethyl)benzenethiol (CAS 1203644-36-3)
- (R)-2-Amino-3,3-difluoro-4-hydroxybutanoic acid (CAS 208756-00-7)
- 6-Amino-2-(difluoromethyl)-5-fluoronicotinaldehyde (CAS 1805111-05-0)
- 5-Methyl-2,3-dihydro-1h-indole-2-carboxylic acid (CAS 785730-27-0)
- Methyl 3-(piperazin-1-yl)propanoate dihydrochloride (CAS 82972-28-9)
- 3-(Aminomethyl)-4-cyclopropoxypicolinaldehyde (CAS 1243383-65-4)
- N-(3-chloro-4-methylphenyl)piperazine-1-carboxamide hydrochloride (CAS 1172020-52-8)
- 6-tert-Butyl-2-methyl-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 862249-75-0)
- 2,6-Dimethylcyclohexan-1-amine (CAS 6850-63-1)
- Pancreatic Polypeptide (31-36) Free Acid, human (CAS 192432-73-8)
Why CATO?
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