| CAS No. | 921225-78-7 |
| Molecular Formula | C9H13O4 |
| Molecular Weight | 185.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 185.20 g/mol gives 4-((2-Methylbut-3-en-2-yl)oxy)-4-oxobutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-((2-Methylbut-3-en-2-yl)oxy)-4-oxobutanoic acid (CAS 921225-78-7), a certified reference material (molecular formula C9H13O4, MW 185.20 g/mol) for analytical method development and quality control.
Structurally, 4-((2-Methylbut-3-en-2-yl)oxy)-4-oxobutanoic acid (C9H13O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 185.20 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 4-((2-Methylbut-3-en-2-yl)oxy)-4-oxobutanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C9H13O4 |
| Molecular Weight | 185.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |