4-Hydroxy-3-oxobutanoic acid CAS 162369-88-2
| CAS No. | 162369-88-2 |
| Molecular Formula | C4H6O4 |
| Molecular Weight | 118.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-3-oxobutanoic acid (CAS 162369-88-2) is a high-purity analytical reference standard with the molecular formula C4H6O4 and a molecular weight of 118.09 g/mol.
Structurally, 4-Hydroxy-3-oxobutanoic acid (C4H6O4) contains a carbohydrate-derived structure. 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 118.09 g/mol, it falls into the low-molecular-weight range.
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), 4-Hydroxy-3-oxobutanoic 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 | C4H6O4 |
| Molecular Weight | 118.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2003 |
Related Hydroxy Standards
- 3-Hydroxy-2-oxobutanoic acid (CAS 1944-42-9)
- (R)-3-Hydroxy-2-oxobutanoic acid (CAS 68862-42-0)
- 4-Hydroxy-2-oxobutanoic acid (CAS 22136-38-5)
- N’-hydroxy-2-methoxypropanimidamide (CAS 1251430-35-9)
- 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanal (CAS 18516-18-2)
- (R)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-02-5)
- (S)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-07-0)
- 2-Hydroxy-2-methylpropanehydrazide (CAS 42596-46-3)
Recommended Standards
- D-Erythronolactone (CAS 15667-21-7)
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- 2-([(tert-Butoxy)carbonyl]amino)-5-(1,3-dioxolan-2-yl)pentanoic acid (CAS 1822578-48-2)
- tert-Butyl (3-bromo-4-nitrophenyl)carbamate (CAS 1380445-44-2)
- 1-IODO-3-(TRIFLUOROMETHYL)BENZENE 3-IODO-1-TRIFLUOROMETHYLBENZENE 3-IODO-ALPHA,ALPHA,ALPHA-TRIFLUOROTOLUENE 3-IODOBENZOTRIFLUORIDE 3-IODOBENZTRIFLUORIDE 3-TRIFLUOROMETHYL-IODOBENZENE 401-81-0 BENZENE, 1-IODO-3-(TRIFLUOROMETHYL)- M-IODOBENZOTRIFLUORIDE M-IODOTRIFLUOROTOLUENE TF10665 (CAS 401-81-0)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
Why CATO?
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