(S)-5-Amino-2-hydroxy-5-oxopentanoic acid CAS 53363-45-4
| CAS No. | 53363-45-4 |
| Molecular Formula | C5H9NO4 |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-5-Amino-2-hydroxy-5-oxopentanoic acid is closely related to a carbohydrate-derived structure, an amide group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-5-Amino-2-hydroxy-5-oxopentanoic acid (CAS 53363-45-4), molecular formula C5H9NO4 and molecular weight 147.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-5-Amino-2-hydroxy-5-oxopentanoic acid (C5H9NO4) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 147.13 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H9NO4 |
| Molecular Weight | 147.13 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) | 2.0 |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related S Standards
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- (R)-2-Amino-3-methylsuccinic acid (CAS 127001-58-5)
- N4-Amino-L-asparagine (CAS 13010-39-4)
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- 6-Amino-5-formylnicotinonitrile (CAS 146356-11-8)
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- 2-Amino-4-methoxy-4-oxobutanoic acid (CAS 1835-51-4)
Recommended Standards
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- [(2-methoxyethyl)carbamoyl]formic acid (CAS 80638-54-6)
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