5-Ethynyl-1,2,3-trifluorobenzene CAS 158816-55-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 158816-55-8 |
| Molecular Formula | C8H3F3 |
| Molecular Weight | 156.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynyl-1,2,3-trifluorobenzene (CAS 158816-55-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H3F3. Molecular weight: 156.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H3F3 |
| Molecular Weight | 156.10 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.) | 2002 |
| Halogen Content | F-containing |
Related Ethynyl Standards
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- 1-Ethynyl-2,3,4-trifluorobenzene (CAS 819861-96-6)
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- 3-Bromo-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine (CAS 954239-19-1)
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- 5-Nitroisoquinoline-1-carbonitrile (CAS 70538-52-2)
- (R)-1-(2-(3-((5-Methyl-2-phenyloxazol-4-yl)methoxy)phenyl)acetyl)pyrrolidine-2-carboxylic acid (CAS 799854-58-3)
- Exenatide (CAS 141758-74-9（free base）)
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