4,4,5,5,5-Pentafluoro-1-(thiophen-2-yl)pentane-1,3-dione CAS 1994-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1994-18-9 |
| Molecular Formula | C9H5F5O2S |
| Molecular Weight | 272.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,5,5,5-Pentafluoro-1-(thiophen-2-yl)pentane-1,3-dione (CAS 1994-18-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5F5O2S. Molecular weight: 272.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5F5O2S |
| Molecular Weight | 272.19 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Cyclopentylphenylboronic acid pinacol ester (CAS 2121514-72-3)
- 4-Cyclopentylphenylboronic acid pinacol ester (CAS 861965-54-0)
- 2-(4-Ethylphenyl)-1,1,1,3,3,3-hexafluoropropan-2-ol (CAS 785-98-8)
- Benzyl 2-oxa-6-azaspiro[3.4]Octane-6-carboxylate (CAS 1823862-50-5)
- 4-Isobutyl-2-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid (CAS 1047142-79-9)
- 4-Chloro-3-fluoro-2-hydroxybenzaldehyde (CAS 1427431-22-8)
- Ethyl 2-(2,3-difluorophenyl)acetate (CAS 302342-12-7)
- 2-(5-Bromothiophen-2-yl)-6-methylpyrimidin-4(3H)-one (CAS 1153297-57-4)
- N1,N1,N3-trimethyl-N3-(piperidin-4-yl)propane-1,3-diamine (CAS 1067660-91-6)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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