Pcb No. 5 CAS 16605-91-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 16605-91-7 |
| Molecular Formula | C12H8Cl2 |
| Molecular Weight | 223.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pcb No. 5 (CAS 16605-91-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H8Cl2. Molecular weight: 223.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H8Cl2 |
| Molecular Weight | 223.10 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
Recommended Standards
- Pcb No. 4 (CAS 13029-08-8)
- Pcb No. 6 (CAS 25569-80-6)
- Pcb No. 15 (CAS 2050-68-2)
- Methyl 2,2,3,3-Tetrafluoropropanoate (CAS 1893-38-5)
- 1-(8-Methyl-3-quinolyl)ethanone (CAS 1516675-27-6)
- 2-((2-Ethoxyethyl)amino)acetonitrile (CAS 76753-37-2)
- trans-2-(4-(Methylthio)phenyl)cyclohexanol (CAS 933674-58-9)
- 1-(5-Fluoropyridin-2-yl)ethan-1-amine hydrochloride (CAS 1065267-33-5)
- 2,6-Diaminopyridine (CAS 141-86-6)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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