Ethyl 4-methoxy-3-oxobutanoate, 97% CAS 66762-68-3
| CAS No. | 66762-68-3 |
| Molecular Formula | C7H12O4 |
| Molecular Weight | 160.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Ethyl 4-methoxy-3-oxobutanoate, 97% (CAS 66762-68-3), molecular formula C7H12O4 and molecular weight 160.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H12O4, Ethyl 4-methoxy-3-oxobutanoate, 97% contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 160.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), Ethyl 4-methoxy-3-oxobutanoate, 97% 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 | C7H12O4 |
| Molecular Weight | 160.17 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.) | 1976 |
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Recommended Standards
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- Ethyl 5-hydroxy-3-oxopentanoate (CAS 64714-85-8)
- 2-(4-Ethylphenoxy)-2-methylpropanoic acid (CAS 17413-77-3)
- Z-D-Arg(Cbz)2-OH (CAS 1947-42-8)
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- (1,1,2-Trimethylpropyl)amine hydrochloride (CAS 4358-75-2)
- Methyl 5-chloro-3-(difluoromethoxy)thiophene-2-carboxylate (CAS 1779122-92-7)
- 3-[(4-chloro-3,5-dimethylphenoxy)methyl]-4-methoxybenzaldehyde (CAS 438532-81-1)
- 3-Amino-2-chloro-6-methoxyphenol (CAS 526217-43-6)
- 2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one (CAS 71977-19-0)
- Propafenone Impurity 17 (CAS CATO-C4X-132217)
- Insulin Glargine (CAS 160337-95-1)
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