1-(Thieno[2,3-b]pyridin-5-yl)ethan-1-one CAS 18354-57-9
| CAS No. | 18354-57-9 |
| Molecular Formula | C9H7NOS |
| Molecular Weight | 177.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(Thieno[2,3-b]pyridin-5-yl)ethan-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.
1-(Thieno[2,3-b]pyridin-5-yl)ethan-1-one (CAS 18354-57-9), molecular formula C9H7NOS and molecular weight 177.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7NOS, 1-(Thieno[2,3-b]pyridin-5-yl)ethan-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C9H7NOS |
| Molecular Weight | 177.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- 1-{thieno[2,3-c]pyridin-2-yl}ethan-1-one (CAS 1368369-97-4)
- 1-{thieno[3,2-b]pyridin-6-yl}ethan-1-one (CAS 18366-59-1)
- 1-(Thieno[2,3-b]pyridin-2-yl)ethanone (CAS 53175-00-1)
- thieno[2,3-b]pyridine-5-carboxamide (CAS 117390-40-6)
- Thieno[2,3-b]pyridine-2-carboxamide (CAS 1824270-94-1)
- Thieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidine (CAS 18740-36-8)
- 1-(Thieno[3,2-c]pyridin-2-yl)ethan-1-amine (CAS 1313726-88-3)
- 1-(Thieno[3,2-b]pyridin-6-yl)ethan-1-amine (CAS 1334149-32-4)
Recommended Standards
- N-Boc-1-fluoro-2-propylamine (CAS 1824434-31-2)
- 3-(4-Fluorophenyl)bicyclo[1.1.1]pentan-1-amine (CAS 1810070-22-4)
- 2-Mercapto-1H-indole-3-carbaldehyde (CAS 183946-30-7)
- 1-(1-(Methylsulfonyl)azetidin-3-yl)ethanone (CAS 1784127-59-8)
- 3-Chloroquinoline-7-carbonitrile (CAS 1431869-16-7)
- 1167435-22-4 7-Methoxy-4-(~2~H_3_)methyl-2,3,4,5-tetrahydro-1,4-benzothiazepine DTXSID10858458 (CAS 1167435-22-4)
- 156482-75-6 2-(2-Methoxy-1-naphthyl)ethanamine MFCD08448793 (CAS 156482-75-6)
- 4-(2-Bromo-4-chlorophenoxy)butanenitrile (CAS 1017023-58-3)
- 5-Bromo-N-butylfuran-2-carboxamide (CAS 438617-12-0)
- 2-(7-Chloro-4-oxoquinolin-1(4H)-yl)acetic acid (CAS 860204-26-8)
- 1-(Furan-2-yl)-N-methyl-N-((5,6,7,8-tetrahydro-2,7-naphthyridin-4-yl)methyl)methanamine (CAS 1422135-76-9)
- 5-Bromo-2-(2,2,2-trifluoroethoxy)nicotinic acid (CAS 1220423-63-1)
- 2-Hydrazinyl-5-(pyrrolidine-1-sulfonyl)pyridine (CAS 627843-11-2)
- Custom peptides (CAS CATO-CPTD788509)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com