Pcb No. 203 CAS 52663-76-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52663-76-0 |
| Molecular Formula | C12H2Cl8 |
| Molecular Weight | 429.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pcb No. 203 (CAS 52663-76-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H2Cl8. Molecular weight: 429.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H2Cl8 |
| Molecular Weight | 429.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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.) | 1972 |
| Halogen Content | Cl-containing |
Recommended Standards
- Pcb No. 202 (CAS 2136-99-4)
- Pcb No. 204 (CAS 74472-52-9)
- Pcb No. 200 (CAS 40186-71-8)
- 2-(5-Bromofuran-2-yl)-1-methyl-5-nitro-1H-benzo[d]imidazole (CAS 21444-62-2)
- Hoveyda-Grubbs Catalyst 2nd Generation 301224-40-8 (1,3-BIS-(2,4,6-TRIMETHYLPHENYL)-2-IMIDAZOLIDINYLIDENE)DICHLORO(O-ISOPROPOXYPHENYLMETHYLENE)RUTHENIUM;(1,3-DIMESITYLIMIDAZOLIDIN-2-YLIDENE)(2-ISOPROPOXYBENZYLIDENE)RUTHENIUM(VI) CHLORIDE;HOVEYDA-GRUBBS 2ND GENERATION;HOVEYDA-GRUBBS CATALYST 2ND GENERATION;RUTHENIUM,[1,3-BIS(2,4,6-TRIMETHYLPHENYL)-2-IMIDAZOLIDINYLIDENE]DICHLORO[[2-(1-METHYLETHOXY)PHENYL]METHYLENE];[1,3-BIS(2,4,6-TRIMETHYLPHENYL)-2-IMIDAZOLIDINYLIDENE]DICHLORO(2-ISOPROPOXYPHENYLMETHYLENE)RUTHENIUM SC10095 (CAS 301224-40-8)
- Ethyl 1-(4-aminophenyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylate (CAS 306936-25-4)
- 4-Chloro-3-(1,3-dioxolan-2-yl)-2-fluorobenzophenone (CAS 898759-46-1)
- 5-(2-Chlorophenyl)-N-cyclopentylfuran-2-carboxamide (CAS 853330-37-7)
- 3-Amino-6-(pyridin-4-yl)-N-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496019-23-9)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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