(1r,3r)-3-(2-(tert-butoxy)-2-oxoethyl)cyclobutane-1-carboxylic acid CAS 1821398-88-2
| CAS No. | 1821398-88-2 |
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 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.
(1r,3r)-3-(2-(tert-butoxy)-2-oxoethyl)cyclobutane-1-carboxylic acid (CAS 1821398-88-2), molecular formula C11H18O4 and molecular weight 214.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H18O4, (1r,3r)-3-(2-(tert-butoxy)-2-oxoethyl)cyclobutane-1-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 214.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures (1r,3r)-3-(2-(tert-butoxy)-2-oxoethyl)cyclobutane-1-carboxylic 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.
Physical & Chemical Properties
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
Recommended Standards
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Why CATO?
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