(2R,3S)-3-Amino-2-hydroxybutanoic acid CAS 70671-47-5
| CAS No. | 70671-47-5 |
| Molecular Formula | C4H9NO3 |
| Molecular Weight | 119.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (2R,3S)-3-Amino-2-hydroxybutanoic acid.
(2R,3S)-3-Amino-2-hydroxybutanoic acid (CAS 70671-47-5), molecular formula C4H9NO3 and molecular weight 119.12 g/mol, is a CATO reference standard with documented purity and traceability.
(2R,3S)-3-Amino-2-hydroxybutanoic acid (C4H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.
As a certified reference material (CRM), (2R,3S)-3-Amino-2-hydroxybutanoic 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.
Physical & Chemical Properties
| Molecular Formula | C4H9NO3 |
| Molecular Weight | 119.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
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Why CATO?
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