2,2,3,3,4,4,4-Heptafluorobutyl 4-methylbenzenesulfonate CAS 312-66-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 312-66-3 |
| Molecular Formula | C11H9F7O3S |
| Molecular Weight | 354.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2,3,3,4,4,4-Heptafluorobutyl 4-methylbenzenesulfonate (CAS 312-66-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9F7O3S. Molecular weight: 354.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9F7O3S |
| Molecular Weight | 354.24 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Heptafluorobutyl Standards
- 2,2,3,3,4,4,4-Heptafluorobutyl (2,2,3,3-tetrafluoropropyl) carbonate (CAS 1980048-47-2)
- 2,2,3,3,4,4,4-Heptafluorobutyl (2,2,3,3,3-pentafluoropropyl) carbonate (CAS 1980085-55-9)
- N-(2,2,3,3,4,4,4-heptafluorobutyl)-2-phenylacetamide (CAS 304458-25-1)
- 2,2,3,3,4,4,4-Heptafluorobutyl (1,1,1,3,3,3-hexafluoropropan-2-yl) carbonate (CAS 1980035-34-4)
- 2,2,3,3,4,4,4-Heptafluorobutyl (4,4,5,5,5-pentafluoropentyl) carbonate (CAS 1980048-79-0)
- 2,2,3,3,4,4,4-Heptafluorobutyl (2,2,3,4,4,4-hexafluorobutyl) carbonate (CAS 1980048-57-4)
- Butyl (2,2,3,3,4,4,4-heptafluorobutyl) carbonate (CAS 1980038-95-6)
- 2,2,3,3,4,4,4-Heptafluorobutyl isopropyl carbonate (CAS 1923065-19-3)
Recommended Standards
- 2-(4-Benzylphenoxy)-5-bromoaniline (CAS 946786-89-6)
- 3-((3-Bromophenyl)carbamoyl)-2,2,3-trimethylcyclopentane-1-carboxylic acid (CAS 497060-73-8)
- 2-(2-Benzylphenoxy)-5-bromoaniline (CAS 946743-43-7)
- 2,7-Diamino-4-(pyridin-3-yl)-4H-benzo[h]chromene-3-carbonitrile (CAS 1272756-44-1)
- Ethyl 4-(2-(3-chlorophenyl)-2-hydroxyethyl)piperazine-1-carboxylate (CAS 486439-08-1)
- (S)-tert-Butyl 3-(2-ethoxy-2-oxoethoxy)pyrrolidine-1-carboxylate (CAS 1024038-29-6)
- (E)-N'-Methyl-3-(trifluoromethyl)-N-[4-(trifluoromethyl)phenyl]benzene-1-carboximidamide (CAS 303149-11-3)
- n-(2-Hydroxyethyl)-2-methoxybenzenesulfonamide (CAS 1156256-82-4)
- 2-Bromo-2-(4-chloro-3-fluorophenyl)ethan-1-ol (CAS 2352913-90-5)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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