5-Chlorothiophene-3-carboxamide CAS 189330-09-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189330-09-4 |
| Molecular Formula | C5H4ClNOS |
| Molecular Weight | 161.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chlorothiophene-3-carboxamide (CAS 189330-09-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H4ClNOS. Molecular weight: 161.61 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H4ClNOS |
| Molecular Weight | 161.61 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiophene Standards
- 4-Chlorothiophene-3-carboxamide (CAS 1174537-09-7)
- 3-Chlorothiophene-2-carboxamide (CAS 147123-68-0)
- 4-Chlorothiophene-2-carboxamide (CAS 176203-88-6)
- 2-Chlorothiophene-3-carboxamide (CAS 189330-14-1)
- 4-Chlorothiophene-2-boronic acid (CAS 1133931-02-8)
- 5-Chlorothiophene-3-boronic acid (CAS 199659-23-9)
- 4-Chlorothiophene-2-carboximidamide (CAS 1361003-73-7)
- 2-Acetyl-3-chlorothiophene (CAS 89581-82-8)
Recommended Standards
- 3-Amino-5-chloropyrazine-2(1H)-thione (CAS 1801693-88-8)
- 1-(2-Chloro-1,3-thiazol-5-yl)ethanone (CAS 885229-41-4)
- 1-(2-Chlorothiazol-4-yl)ethan-1-one (CAS 222169-08-6)
- 7-Methoxyquinolin-8-amine (CAS 83010-84-8)
- Methyl 3-methyl-4-phenyl-6-vinylpicolinate (CAS 64034-94-2)
- (5-((2,6-Dimethylphenyl)carbamoyl)-2-fluorophenyl)boronic acid (CAS 1449142-45-3)
- 1,1-Biphenyl, 2-(2-propen-1-yloxy)- (CAS 20281-39-4)
- (E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one (CAS 7151-62-4)
- Nebivolol Impurity 44 (CAS 197706-51-7)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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 13829788188 / jacky.chen@cato-chem.com