1-Ethynyl-3-fluoro-5-(trifluoromethyl)benzene CAS 1233501-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1233501-77-3 |
| Molecular Formula | C9H4F4 |
| Molecular Weight | 188.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethynyl-3-fluoro-5-(trifluoromethyl)benzene (CAS 1233501-77-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H4F4. Molecular weight: 188.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H4F4 |
| Molecular Weight | 188.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related Ethynyl Standards
- 1-Ethynyl-4-fluoro-2-(trifluoromethyl)benzene (CAS 1057670-05-9)
- 4-Ethynyl-1-fluoro-2-(trifluoromethyl)benzene (CAS 1233501-60-4)
- 1-Ethynyl-2-fluoro-4-(trifluoromethyl)benzene (CAS 1233506-35-8)
- 2-Ethynyl-1-fluoro-4-(trifluoromethyl)benzene (CAS 1263377-27-0)
- 2-Ethynyl-1-fluoro-3-(trifluoromethyl)benzene (CAS 1536101-77-5)
- 4-Ethynyl-2-fluoro-1-(trifluoromethyl)benzene (CAS 1696971-45-5)
- 1-Ethynyl-2-fluoro-3-(trifluoromethyl)benzene (CAS 1823362-73-7)
- 1-Ethynyl-3-fluoro-2-(trifluoromethyl)benzene (CAS 1823923-07-4)
Recommended Standards
- 1,7-Dimethylxanthine-2,4,5,6-<SUP>13</SUP>C<SUB>4</SUB>-1,3,9-<SUP>15</SUP> N<SUB>3</SUB> (CAS 1173018-79-5)
- Methyl 5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate (CAS 1996-54-9)
- 7-(Trifluoromethyl)imidazo[1,2-b][1,2,4]triazine (CAS 425378-66-1)
- 6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydrobenzo-1,4-dioxoline (CAS 517874-21-4)
- 5-Methoxy-1,3-dimethyl-1H-indole (CAS 81784-54-5)
- 6-Ethylthieno[2,3-d]pyrimidin-4-amine (CAS 879873-49-1)
- 5-Nitro-1H-benzo[d]imidazol-7-ol (CAS 64265-12-9)
- 4-Bromo-2-(2,2,2-trifluoroethoxy)pyridine (CAS 161952-62-1)
- Methyl 2-methoxy-6-(trifluoromethyl)isonicotinate (CAS 1227594-91-3)
- Fibrinopeptide A (human) (CAS 25422-31-5)
Why CATO?
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