3-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid CAS 81982-56-1
| CAS No. | 81982-56-1 |
| Molecular Formula | C9H15F2NO4 |
| Molecular Weight | 239.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H15F2NO4, 3-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid contains an amide 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 239.22 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.
CATO supplies 3-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid (CAS 81982-56-1), a certified reference material (molecular formula C9H15F2NO4, MW 239.22 g/mol) for analytical method development and quality control.
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 3-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid 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 | C9H15F2NO4 |
| Molecular Weight | 239.22 g/mol |
| 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, 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.) | 1980 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related tert Standards
- 2-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid (CAS 252357-43-0)
- 4-((Tert-butoxycarbonyl)amino)-2,2-difluorobutanoic acid (CAS 2166810-88-2)
- 2-((tert-Butoxycarbonyl)amino)pyrimidine-5-carboxylic acid (CAS 179322-60-2)
- 2-((tert-Butoxycarbonyl)amino)pyrimidine-4-carboxylic acid (CAS 2248314-44-3)
- 3-((Tert-butoxycarbonyl)amino)pyrazine-2-carboxylic acid (CAS 941316-90-1)
- 4-((tert-Butoxycarbonyl)amino)pyrimidine-5-carboxylic acid (CAS 2248287-04-7)
- 5-((tert-Butoxycarbonyl)amino)pyrazine-2-carboxylic acid (CAS 891782-63-1)
- 5-((tert-Butoxycarbonyl)amino)pyrimidine-2-carboxylic acid (CAS 2384916-52-1)
Recommended Standards
- 3-((2,5-Dimethoxyphenyl)amino)-3-oxopropanoic acid (CAS 63070-58-6)
- 3-(1,3-Dioxooctahydro-2H-4,7-epoxyisoindol-2-yl)propanoic acid (CAS 2025836-70-6)
- 3-((2,4-Dimethoxyphenyl)amino)-3-oxopropanoic acid (CAS 38989-32-1)
- 3-(2-Methoxy-5-nitrophenoxy)butan-2-one (CAS 866041-20-5)
- 3-Chloro-2-methyl-6-nitropyridine (CAS 1374575-16-2)
- 4-(4-Nitrophenyl)thiomorpholine (CAS 90254-22-1)
- Tert-butyl (R)-(1-methyl-3-oxocyclopentyl)carbamate (CAS 1638744-80-5)
- 3-Pentanone p-Toluenesulfonylhydrazone (CAS 28495-72-9)
- Fmoc-D-Lys(Mtt)-OH (CAS 198544-94-4)
- Ethyl 5-cyclopropyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 512824-38-3)
- N-Acetyl-N-methyl-L-leucine (CAS 57289-25-5)
- 5-(4-Formylphenyl)furan-2-carbaldehyde (CAS 886509-20-2)
- Benzo[d]thiazole-2-sulfinic acid (CAS 61073-62-9)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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