| CAS No. | 69188-40-5 |
| Molecular Formula | C10H14O4 |
| Molecular Weight | 198.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 198.22 g/mol gives 2-Butenoic acid, 2-methyl-, 2-carboxy-2-butenyl ester,(Z,Z) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Butenoic acid, 2-methyl-, 2-carboxy-2-butenyl ester,(Z,Z) (CAS 69188-40-5), a certified reference material (molecular formula C10H14O4, MW 198.22 g/mol) for analytical method development and quality control.
Structurally, 2-Butenoic acid, 2-methyl-, 2-carboxy-2-butenyl ester,(Z,Z) (C10H14O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 198.22 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 2-Butenoic acid, 2-methyl-, 2-carboxy-2-butenyl ester,(Z,Z) 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 | C10H14O4 |
| Molecular Weight | 198.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |