1-(5-Chlorothiophen-2-yl)butan-1-one CAS 32427-77-3
| CAS No. | 32427-77-3 |
| Molecular Formula | C8H9ClOS |
| Molecular Weight | 188.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(5-Chlorothiophen-2-yl)butan-1-one (C8H9ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-(5-Chlorothiophen-2-yl)butan-1-one (CAS 32427-77-3), molecular formula C8H9ClOS and molecular weight 188.67 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(5-Chlorothiophen-2-yl)butan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H9ClOS |
| Molecular Weight | 188.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 4-(5-chlorothiophen-2-yl)butan-2-one (CAS 1099653-15-2)
- 1-(5-Chlorothiophen-2-yl)-2-methylpropan-1-one (CAS 98490-84-7)
- 3-(5-Chlorothiophen-2-yl)-3-oxopropanal (CAS 1156854-95-3)
- (E)-3-(3-chlorothiophen-2-yl)acrylic acid (CAS 1428227-36-4)
- (E)-3-(4-Chlorothiophen-2-yl)acrylic acid (CAS 234098-52-3)
- (E)-3-(5-chlorothiophen-2-yl)acrylic acid (CAS 69193-39-1)
- 3-(3-Chlorothiophen-2-yl)acrylic acid (CAS 261349-20-6)
- (2-(4-Chlorothiophen-2-yl)cyclopropyl)methanamine (CAS 1540171-44-5)
Recommended Standards
- 1-[(Chloromethyl)sulfanyl]-4-methoxybenzene (CAS 7205-89-2)
- (5-Chloro-2-methoxyphenyl)(methyl)sulfane (CAS 23385-57-1)
- 2-Chloro-1-(2,5-dimethylthiophen-3-yl)ethan-1-one (CAS 31772-43-7)
- (3-Chloro-4-methoxyphenyl)methanethiol (CAS 63550-21-0)
- 7-Chloroimidazo[1,2-a]pyridine, HCl (CAS 1072944-43-4)
- N-(2-Ethylhexyl)-2-hydroxybenzamide (CAS 81957-23-5)
- 1-phenyl-1,4-dihydro-5H-tetrazol-5-one (CAS 5097-82-5)
- 2-[4-(tert-Butyl)phenoxy]-5-chlorophenylamine (CAS 103827-03-8)
- 1-tert-Butyl 4-methyl 6-chloro-1H-indole-1,4-dicarboxylate (CAS 1090903-80-2)
- 1-(3-Methoxyphenyl)-3-methylbutan-1-one (CAS 1183770-52-6)
- 1-(2,4-Dichlorophenyl)cyclopropanamine (CAS 864263-95-6)
- 1-(4-Bromophenyl)-3-methylcyclopent-3-enamine (CAS 1822679-97-9)
- N’-hydroxy-4-(propan-2-yl)morpholine-2-carboximidamide (CAS 1461727-00-3)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
Why CATO?
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