2-Oxo-1-oxa-spiro[4.4]nonane-3,4-dicarboxylic acid diethyl ester CAS 142183-69-5
| CAS No. | 142183-69-5 |
| Molecular Formula | C14H20O6 |
| Molecular Weight | 284.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 284.31 g/mol gives 2-Oxo-1-oxa-spiro[4.4]nonane-3,4-dicarboxylic acid diethyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Oxo-1-oxa-spiro[4.4]nonane-3,4-dicarboxylic acid diethyl ester (CAS 142183-69-5), a certified reference material (molecular formula C14H20O6, MW 284.31 g/mol) for analytical method development and quality control.
Structurally, 2-Oxo-1-oxa-spiro[4.4]nonane-3,4-dicarboxylic acid diethyl ester (C14H20O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 284.31 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).
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 2-Oxo-1-oxa-spiro[4.4]nonane-3,4-dicarboxylic acid diethyl ester 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 | C14H20O6 |
| Molecular Weight | 284.31 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.) | 1997 |
Recommended Standards
- Methyl 2-(2-((tert-butoxycarbonyl)amino)ethyl)-5-methyloxazole-4-carboxylate (CAS 1418126-08-5)
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- tert-Butyl (2,5,6-trimethoxypyridin-3-yl)carbamate (CAS 1414864-01-9)
- Methyl 2-oxo-2-(2-((o-tolyloxy)methyl)phenyl)acetate (CAS 143211-10-3)
- 3-(Chloromethyl)-5-(3-methoxyphenyl)-1,2,4-oxadiazole (CAS 175205-62-6)
- 6-(Methylamino)-3-phenylpyrimidine-2,4(1H,3H)-dione (CAS 84459-31-4)
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- 4-(Aminomethyl)-1-methyl-1H-pyrrole-2-carbonitrile (CAS 590409-84-0)
- 6-methyl-1H-pyrrolo[3,2-c]pyridine (CAS 183586-34-7)
- 7H-[1,2,4]Triazolo[3,4-b][1,3,4]thiadiazin-6-amine (CAS 74599-53-4)
- 1,1-Dimethylbutyl 2-methyl-2-propenoate (CAS 100472-88-6)
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- 4-bromo-6-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile (CAS 1822680-43-2)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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