1,2-Difluoro-4-((4-propylphenyl)ethynyl)benzene CAS 145698-43-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 145698-43-7 |
| Molecular Formula | C17H14F2 |
| Molecular Weight | 256.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2-Difluoro-4-((4-propylphenyl)ethynyl)benzene (CAS 145698-43-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H14F2. Molecular weight: 256.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H14F2 |
| Molecular Weight | 256.29 g/mol |
| Purity | 97%+ |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 1-(3,5-Difluoro-4-(pentyloxy)phenyl)propan-1-one (CAS 1443310-41-5)
- 1-(3,5-Difluoro-2-(pentyloxy)phenyl)propan-1-one (CAS 1443311-06-5)
- 1-(3,4-Difluoro-5-(isopentyloxy)phenyl)propan-1-one (CAS 1443325-85-6)
- 1-(3,4-Difluoro-5-(pentyloxy)phenyl)propan-1-one (CAS 1443328-93-5)
- 1-(3,5-Difluoro-4-(isopentyloxy)phenyl)propan-1-one (CAS 1443348-19-3)
- 1-(3,5-Difluoro-2-(isopentyloxy)phenyl)propan-1-one (CAS 1443355-71-2)
- N-((4,4-difluoro-2,5-dimethylpiperidin-3-yl)methyl)methanesulfonamide (CAS 2366182-36-5)
- 2-(Difluoro(p-tolylthio)methyl)-5-methyl-1,3,4-oxadiazole (CAS 1403566-68-6)
Recommended Standards
- 4-{2-[2-(2-methoxyethoxy)ethoxy]ethoxy}phenol (CAS 186365-71-9)
- (2R,3S)-2,3-Dihydroxy-4-isopropoxy-|A-butyrolactone Cyclohexyl Ketal (3'aR,6'aS)-Dihydro-6'-(1-methylethoxy)-spiro[cyclohexane-1,2'-furo[3,4-d][1,3]dioxol]-4'(3'aH)-one (3R,4S)-3,4-Dihydroxy-4-isopropoxydihydrofuran-2(3H)-one Cyclohexyl Ketal 186790-80-7 (CAS 186790-80-7)
- 5-Butyl-2-(3,5-difluorophenyl)-1,3-dioxane (CAS 1956306-93-6)
- n-(3-((3-Chloropyridin-4-yl)amino)propyl)-N-ethylmethanesulfonamide (CAS 1427568-00-0)
- (S,9Z)-2-Amino-6-oleamidohexanoic acid (CAS 23499-75-4)
- (2R,3S)-2-Methyl-3-((methylsulfonyl)methyl)azetidine (CAS 2411591-37-0)
- 5-Bromo-1H-pyrrolo[2,3-b]pyridin-6-ol (CAS 1190316-82-5)
- N-(4-(2,2-difluoroethoxy)benzyl)ethanamine (CAS 1178035-49-8)
- 2,6-Dibromo-9-methyl-9h-purine (CAS 2135336-62-6)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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