(R)-2-Amino-4,4-difluorobutanoic acid CAS 185348-78-1
| CAS No. | 185348-78-1 |
| Molecular Formula | C4H7F2NO2 |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (R)-2-Amino-4,4-difluorobutanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(R)-2-Amino-4,4-difluorobutanoic acid (CAS 185348-78-1), molecular formula C4H7F2NO2 and molecular weight 139.10 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (R)-2-Amino-4,4-difluorobutanoic acid (C4H7F2NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 139.10 g/mol, it falls into the low-molecular-weight range. 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.
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.) | 2009 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related R Standards
- 2-Amino-4,4-difluorobutanoic acid (CAS 107910-31-6)
- (S)-2-Amino-4,4-difluorobutanoic acid (CAS 121960-22-3)
- 4-Amino-3,3-difluorobutanoic acid (CAS 1258651-00-1)
- 4-Amino-2,2-difluorobutanoic acid (CAS 130592-02-8)
- 2-Amino-3,3-difluoro-2-methyl-propionic acid (CAS 67654-65-3)
- 3-Amino-4,4-difluorobutanoic acid (CAS 77162-46-0)
- methyl 3-amino-2,2-difluoro-propanoate (CAS 688736-21-2)
- 4-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde (CAS 1004956-63-1)
Recommended Standards
- 4-Ethynyl-3,5-difluoropyridine (CAS 1824403-41-9)
- 2,6-Difluorobenzonitrile (CAS 1897-52-5)
- 5-Ethynyl-2,3-difluoropyridine (CAS 1824109-24-1)
- 1,2-Difluoro-4-isocyanobenzene (CAS 472958-69-3)
- 2-((Tetrahydro-2H-pyran-2-yl)oxy)acetonitrile (CAS 17521-49-2)
- (S)-2-Amino-3-(3,4-dihydroxyphenyl)propanamide hydrochloride (CAS 1246370-78-4)
- (S)-2-(5-((1H-Indol-3-yl)methyl)-4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)acetic acid (CAS 1260602-30-9)
- (2-(4-Fluoro-3-(trifluoromethyl)phenyl)tetrahydro-2H-pyran-3-yl)methanol (CAS 1555653-27-4)
- 3-Morpholino-2-pentene (CAS 13654-48-3)
- Methyl 5-bromo-2-(difluoromethoxy)benzoate (CAS 1131587-78-4)
- 2-(2-Chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-5,6-dimethyl-1H-benzo[d]imidazole (CAS 344279-04-5)
- 3-[(4-Chloro-2-isopropylphenoxy)methyl]piperidinehydrochloride (CAS 1220027-94-0)
- 3-Iodobenzene-1-sulfonamide (CAS 50702-39-1)
- [Tyr15] Fibrinopeptide B, human (CAS 125455-56-3)
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