4,8-Bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene CAS 2237223-05-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2237223-05-9 |
| Molecular Formula | C34H40Cl2S4 |
| Molecular Weight | 647.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,8-Bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene (CAS 2237223-05-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C34H40Cl2S4. Molecular weight: 647.85 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C34H40Cl2S4 |
| Molecular Weight | 647.85 g/mol |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 4 |
Related Bis Standards
- (5E)-1-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-5-{[(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)amino]methylidene}-1,3-diazinane-2,4,6-trione (CAS 339101-16-5)
- (4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)(4-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-4,5-dihydro-1H-imidazol-1-yl)phenyl)methanone (CAS 400079-60-9)
- Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-1,3-dihydro-4,5-dimethyl-2H-imidazol-2-ylidene}gold(I) (CAS 1192141-66-4)
- 2-Chloro-N-(2-(trifluoromethyl)phenyl)benzamide (CAS 3873-78-7)
- Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) (CAS 854045-95-7)
- 3-Chloro-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}ethyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 190437-59-3)
- 4-Chloro-N-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)thio)phenyl)-N-((4-chlorophenyl)sulfonyl)benzenesulfonamide (CAS 477868-33-0)
- Chloro[(S,S)-N-[2-(4-methylbenzyloxy)ethyl]-N'-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]ruthenium(II) (CAS 1384974-37-1)
Recommended Standards
- (Thr1)-PAR-1 (1-5) amide (human) (CAS 197794-83-5)
- Lonafarnib D9 (CAS 1197367-02-4)
- Ezetimibe Hydroxy tert-Butyldiphenylsilyl Ether (CAS 1217748-67-8)
- 1-methyl-4-(2-thienyl)-1{H}-pyrazolo[3,4-{b}]pyridine-3-carboxylic acid (CAS 1356543-40-2)
- 4-Amino-2-(3-chlorophenyl)butan-2-ol (CAS 1114064-27-5)
- Methyl (E)-2-(1-(3-aminophenyl)ethylidene)hydrazine-1-carboxylate (CAS 356102-37-9)
- pyrido[2,3-b]pyrazine-6-carboxylic acid (CAS 893723-33-6)
- Acetamide, n-[6-(1,3-dioxolan-2-yl)-4-methyl-3-pyridinyl]- (CAS 143621-41-4)
- 4-Hydroxy-2',3,3',4',5'-pentachlorobiphenyl (CAS 192190-09-3)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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