(E)-2,5-Dimethoxypent-4-enoic acid CAS 89709-85-3
| CAS No. | 89709-85-3 |
| Molecular Formula | C7H12O4 |
| Molecular Weight | 160.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2,5-Dimethoxypent-4-enoic acid (CAS 89709-85-3), 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, (E)-2,5-Dimethoxypent-4-enoic acid 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.
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.
As a certified reference material (CRM), (E)-2,5-Dimethoxypent-4-enoic 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 | 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.) | 1982 |
Related E Standards
Recommended Standards
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- (R)-2-acetoxy-3-methylbutanoic acid (CAS 44976-78-5)
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- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,5-dimethoxyphenyl)propanoic acid (CAS 501015-38-9)
- 2-(tert-Butoxy)-3-cyclopropoxy-5-isopropoxypyridine (CAS 1243324-32-4)
- 1-Bromo-4-phenoxy-2-(trifluoromethyl)benzene (CAS 54846-20-7)
- Semaglutide impurity 01 (CAS 1998701-31-7)
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