4-Chlorothieno[2,3-b]pyridine 7-oxide CAS 25557-54-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25557-54-4 |
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chlorothieno[2,3-b]pyridine 7-oxide (CAS 25557-54-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4ClNOS. Molecular weight: 185.63 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 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.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 4-Chlorothieno[3,2-d]pyrimidin-2-amine (CAS 1378824-80-6)
- 4-Chlorothieno[3,2-d]pyrimidin-6-amine (CAS 936354-32-4)
- 4-Chlorothieno[3,2-d]pyrimidin-7-amine (CAS 2839502-29-1)
- 5-Chlorothieno[3,2-b]pyridin-7-ol (CAS 90690-93-0)
- 7-Chlorothieno[3,2-b]pyridin-5(4H)-one (CAS 74695-45-7)
- 7-Chlorothieno[3,2-c]pyridin-4(5H)-one (CAS 29079-93-4)
- 2-Chlorothieno[3,2-b]pyridin-3-amine (CAS 26579-61-3)
- 2-Chlorothieno[3,2-d]pyrimidin-4(3H)-one, 97% (CAS 1245811-20-4)
Recommended Standards
- 4-Chlorobenzo[d]thiazol-2(3H)-one (CAS 39205-62-4)
- 4-Chlorobenzo[c][1,2,5]thiadiazol-5-amine (CAS 30536-36-8)
- 4-Chloro-2-(methylthio)pyrimidine-5-carbonitrile (CAS 33089-15-5)
- 1-((4-Chloro-[1,1-biphenyl])-4-sulfonamido)cyclohexane-1-carboxylic acid (CAS 885269-38-5)
- 1-Allylpyridin-4(1H)-one (CAS 63361-64-8)
- 1-Cyclopentyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1710703-33-5)
- Baloxavir Marboxil Impurity243 (CAS CATO-C4X-2108243)
- 1-Aminocyclopropanol Hydrochloride (CAS 58939-46-1)
- 3-Acetamido-4-methylpentanoic acid (CAS 1001611-01-3)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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