α-Quinquethiophene CAS 5660-45-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5660-45-7 |
| Molecular Formula | C20H12S5 |
| Molecular Weight | 412.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
α-Quinquethiophene (CAS 5660-45-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H12S5. Molecular weight: 412.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H12S5 |
| Molecular Weight | 412.63 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 5 |
Recommended Standards
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- 4-[5-(Benzylsulfanyl)-1,3,4-thiadiazol-2-yl]-2,6-di-tert-butylphenol (CAS 221641-79-8)
- 3-Hydroxy-4-propoxybenzaldehyde (CAS 61315-87-5)
- 2-bromo-3-methoxyprop-1-ene (CAS 89089-30-5)
- 1-(5-Bromo-2-methoxyphenyl)cyclopentanamine (CAS 1368837-93-7)
- 3-Chloro-5-(2-fluoroethoxy)pyridazine (CAS 1346691-39-1)
- Polyquaternium-37 (CAS 26161-33-1)
- N-(4-methoxybutyl)thietan-3-amine (CAS 1849208-19-0)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
Why CATO?
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