tert-Butyl 3-((((trifluoromethyl)sulfonyl)oxy)methyl)pyrrolidine-1-carboxylate CAS 305329-96-8
| CAS No. | 305329-96-8 |
| Molecular Formula | C11H18F3NO5S |
| Molecular Weight | 333.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
tert-Butyl 3-((((trifluoromethyl)sulfonyl)oxy)methyl)pyrrolidine-1-carboxylate (CAS 305329-96-8), molecular formula C11H18F3NO5S and molecular weight 333.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H18F3NO5S, tert-Butyl 3-((((trifluoromethyl)sulfonyl)oxy)methyl)pyrrolidine-1-carboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 333.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H18F3NO5S |
| Molecular Weight | 333.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- tert-Butyl (2S,4S)-2-methyl-4-(((trifluoromethyl)sulfonyl)oxy)pyrrolidine-1-carboxylate (CAS 2833709-35-4)
- Ceftolozane impurity 4 (CAS 1956303-56-2)
- N-([1,3]Dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide (CAS 892851-42-2)
- N-(3,5-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothiophen-3-yl)-2,2,2-trifluoroacetamide (CAS 1017657-25-8)
- 2,3,4,5-Tetraphenyl-1H-pyrrole (CAS 3263-79-4)
- 5-(Trifluoromethoxy)-2-(trifluoromethyl)-1H-indole (CAS 1007235-31-5)
- Benzeneethanol, 4-[[6-(trifluoromethyl)-2-pyridinyl]oxy]- (CAS 1380429-90-2)
- Methyl s-ethylhomocysteinate (CAS 52177-37-4)
- Methyl 4-(3-nitrophenyl)-2,4-dioxobutanoate (CAS 345617-18-7)
- 2’-Bromo-5’-methoxyacetanilide (CAS 123027-99-6)
- 3-Chloro-5-fluoro-2-methylbenzoic acid (CAS 1379210-16-8)
- 2-(Bicyclo[4.1.0]heptan-3-yl)acetic acid (CAS 1784988-07-3)
- 2-Amino-2-(quinolin-2-yl)acetic acid (CAS 500755-98-6)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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 18665070610 / Nicole.chen@cato-chem.com