3999-67-5 CTK4I2229 tetramethyl 1,2,3,4-cyclobutanetetracarboxylate CAS 3999-67-5
| CAS No. | 3999-67-5 |
| Molecular Formula | C12H16O8 |
| Molecular Weight | 288.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 288.25 g/mol gives 3999-67-5 CTK4I2229 tetramethyl 1,2,3,4-cyclobutanetetracarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3999-67-5 CTK4I2229 tetramethyl 1,2,3,4-cyclobutanetetracarboxylate (CAS 3999-67-5), a certified reference material (molecular formula C12H16O8, MW 288.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H16O8, 3999-67-5 CTK4I2229 tetramethyl 1,2,3,4-cyclobutanetetracarboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3999-67-5 CTK4I2229 tetramethyl 1,2,3,4-cyclobutanetetracarboxylate 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 | C12H16O8 |
| Molecular Weight | 288.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Recommended Standards
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- Cyclopeptide-5 (CAS 197172-76-2)
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