Ethyl β-Oxo-1,4-dioxaspiro[4.4]nonane-7-propanoate CAS 1251732-99-6
| CAS No. | 1251732-99-6 |
| Molecular Formula | C12H18O5 |
| Molecular Weight | 242.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 242.27 g/mol gives Ethyl β-Oxo-1,4-dioxaspiro[4.4]nonane-7-propanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl β-Oxo-1,4-dioxaspiro[4.4]nonane-7-propanoate (CAS 1251732-99-6) is a high-purity analytical reference standard with the molecular formula C12H18O5 and a molecular weight of 242.27 g/mol.
Based on its molecular formula C12H18O5, Ethyl β-Oxo-1,4-dioxaspiro[4.4]nonane-7-propanoate 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 242.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Ethyl β-Oxo-1,4-dioxaspiro[4.4]nonane-7-propanoate 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 | C12H18O5 |
| Molecular Weight | 242.27 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Recommended Standards
- tert-Butyl 6-oxo-8-oxa-2,5-diazaspiro[3.5]nonane-2-carboxylate (CAS 1251000-12-0)
- 1-(2-Methoxyethyl)-7-methyl-1H-pyrido-[2,3-d][1,3]oxazine-2,4-dione (CAS 1253792-09-4)
- rel-tert-Butyl (4aR,7aR)-3-oxohexahydropyrrolo[3,4-b][1,4]oxazine-6(2H)-carboxylate (CAS 1250994-08-1)
- 3-(1,1’-biphenyl-2-yloxy)propanoic acid (CAS 125849-39-0)
- Benzoic acid, 4-amino-, polymer with 2-(chloromethyl)oxirane and 4,4'-(1-methylethylidene)bis[phenol] (CAS 67906-76-7)
- 5-Ethyl-4-(methoxycarbonyl)-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 65881-56-3)
- Methyl 2-amino-2-(3-bromophenyl)acetate hydrochloride (CAS 1219198-88-5)
- 2-Bromo-N-methyl-5,8-dihydro-6H-pyrano[3,4-b]pyridin-5-amine (CAS 2814522-92-2)
- 4-(Aminomethyl)-2,2-dimethyltetrahydro-2h-pyran-4-ol (CAS 53979-13-8)
- tert-Butyl 3-phenylpyrazole-1-carboxylate (CAS 1820711-47-4)
- (S)-2,2,2-Trifluoro-1-(4-methoxyphenyl)ethanamine (CAS 773127-33-6)
- 2,2'-Dihydroxy-[1,1'-biphenyl]-4,4'-dicarboxylic acid (CAS 41738-72-1)
- Cholesteryl stearate (CAS 35602-69-8)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
Why CATO?
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