2-Cyclopropyl-5-ethynylthiophene CAS 2161061-25-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2161061-25-0 |
| Molecular Formula | C9H8S |
| Molecular Weight | 148.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Cyclopropyl-5-ethynylthiophene (CAS 2161061-25-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8S. Molecular weight: 148.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8S |
| Molecular Weight | 148.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | 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.) | 1998 |
| Sulfur Atoms | 1 |
Related Cyclopropyl Standards
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- 1-Cyclopropyl-1-(4-pyridyl)methylamine (CAS 1270506-12-1)
Recommended Standards
- 2-[(2-methylpropyl)sulfanyl]acetic acid (CAS 20600-62-8)
- 2H-Thiochromene (CAS 254-37-5)
- 2,2-dimethyl-3-(methylsulfanyl)propanoic acid (CAS 37695-38-8)
- 4-((1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)benzoic acid (CAS 361986-42-7)
- N-Acetyl-L-histidine (monohydrate) (CAS 39145-52-3)
- 7-((4-Methylthiazol-2-yl)thio)heptanoic acid (CAS 40107-51-5)
- 2-chloro-N-(4-phenylbutyl)acetamide (CAS 97947-55-2)
- 1330171-28-2 5-Sulfooxymethylfurfural Sodium Salt (CAS 1330171-28-2)
- 5-Iodo-2-isobutyramidobenzoic acid (CAS 222177-62-0)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
Why CATO?
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