(S)-2-Amino-4,4-difluorobutanoic acid CAS 121960-22-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121960-22-3 |
| Molecular Formula | C4H7F2NO2 |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-Amino-4,4-difluorobutanoic acid (CAS 121960-22-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H7F2NO2. Molecular weight: 139.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H7F2NO2 |
| Molecular Weight | 139.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related S Standards
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- 4-Amino-2,2-difluorobutanoic acid (CAS 130592-02-8)
- (R)-2-Amino-4,4-difluorobutanoic acid (CAS 185348-78-1)
- 2-Amino-3,3-difluoro-2-methyl-propionic acid (CAS 67654-65-3)
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Recommended Standards
- (2,2-Difluoroethyl)glycine (CAS 1179601-53-6)
- 1,3-Difluoro-2-isocyanobenzene (CAS 115591-42-9)
- 2-Ethynyl-3,5-difluoropyridine (CAS 1121585-18-9)
- 3-Bromo-5,6-dimethyl-1H-indazole (CAS 1388053-81-3)
- Methyl 3-(3-carbamoylphenyl)benzoate (CAS 1820618-86-7)
- 5-Amino-2-nitrobenzonitrile (CAS 72115-08-3)
- 4-Amino-2-(hydroxymethyl)phenol (CAS 104333-09-7)
- Saxagliptin Impurity 24 (CAS 361441-95-4)
- N-(2-(N-(2,2-Diethoxyethyl)sulfamoyl)ethyl)-4-methoxybenzamide (CAS 899979-75-0)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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