1-tert-butyl 3-Ethyl 5,5-difluoropiperidine-1,3-dicarboxylate CAS 1356339-26-8
| CAS No. | 1356339-26-8 |
| Molecular Formula | C13H21F2NO4 |
| Molecular Weight | 293.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 293.31 g/mol gives 1-tert-butyl 3-Ethyl 5,5-difluoropiperidine-1,3-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-tert-butyl 3-Ethyl 5,5-difluoropiperidine-1,3-dicarboxylate (CAS 1356339-26-8), molecular formula C13H21F2NO4 and molecular weight 293.31 g/mol, is a CATO reference standard with documented purity and traceability.
1-tert-butyl 3-Ethyl 5,5-difluoropiperidine-1,3-dicarboxylate (C13H21F2NO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-tert-butyl 3-Ethyl 5,5-difluoropiperidine-1,3-dicarboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H21F2NO4 |
| Molecular Weight | 293.31 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-Butyl 4,4-difluoro-3-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 1334413-62-5)
- 1-(2,6-Difluorophenyl)-3-(4-(pyrrolidin-1-yl)but-2-yn-1-yl)urea (CAS 1396750-10-9)
- tert-Butyl 3,3-difluoro-4-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 1334412-90-6)
- Isopropyl 1-(Boc-amino)-3,3-difluoro-cyclobutanecarboxylate (CAS 1403766-72-2)
- 5-{[(2-methoxyphenyl)methyl]amino}-2,3-dihydro-1h-1,3-benzodiazol-2-one (CAS 861408-09-5)
- (2-Aminopropan-2-yl)phosphonic acid (CAS 5035-79-0)
- 3-Hydroxy-2-(methylthio)benzonitrile (CAS 1243369-40-5)
- Darolutamide impurity 9 (CAS CATO-C4X-31069)
- 2-((2-Phenyl-1H-indol-3-yl)thio)ethyl acetate (CAS 62663-13-2)
- 1-Methyl-5-phenoxy-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 916766-95-5)
- 4,5,6,7-Tetrachloro-2-(Trifluoromethyl)-1H-Benzimidazole (CAS 2338-29-6)
- 2-Hydroxy-2-phenyl-2-(p-tolyl)acetic acid (CAS 4166-98-7)
- Piperazine-PEG2-C2-NH-Boc (CAS 1850459-97-0)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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