Methyl 4-ethyl-2-methyl-1-oxaspiro[2.5]octane-2-carboxylate CAS 1559963-80-2
| CAS No. | 1559963-80-2 |
| Molecular Formula | C12H20O3 |
| Molecular Weight | 212.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Methyl 4-ethyl-2-methyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1559963-80-2), a certified reference material (molecular formula C12H20O3, MW 212.29 g/mol) for analytical method development and quality control.
Structurally, Methyl 4-ethyl-2-methyl-1-oxaspiro[2.5]octane-2-carboxylate (C12H20O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 212.29 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.
Physical & Chemical Properties
| Molecular Formula | C12H20O3 |
| Molecular Weight | 212.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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.) | 1992 |
Recommended Standards
- Methyl 2,5,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1559907-99-1)
- Methyl 2,5,6-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1560286-21-6)
- Ethyl 2-ethyl-5-methyl-1-oxaspiro[2.4]heptane-2-carboxylate (CAS 1559510-42-7)
- Ethyl 4,7-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1561041-62-0)
- (1S)-2-amino-1-(4-chlorophenyl)-1-[4-(1H-pyrazol-4-yl)phenyl]ethanol (CAS 1056901-62-2)
- Ethyl 4-methyl-2-(trifluoromethyl)quinoline-3-carboxylate (CAS 922527-28-4)
- 3-Chloro-2-cyclopropoxy-N,N-dimethylaniline (CAS 1243281-59-5)
- [2-Chloro-5-methoxy-4-(trifluoromethoxy)phenyl]boronic acid (CAS 2096330-12-8)
- 5,5'-Thiobis(2-phenylisoindoline-1,3-dione) (CAS 58974-89-3)
- Norisoboldine (CAS 23599-69-1)
- (1-(Benzofuro[3,2-d]pyrimidin-4-yl)piperidin-4-yl)(4-(2-fluorophenyl)piperazin-1-yl)methanone (CAS 1113117-58-0)
- 5-((2-Chlorobenzyl)amino)-5-oxopentanoic acid (CAS 866821-26-3)
- 3-Ethyl-1,2-oxazole-5-carbaldehyde (CAS 72591-56-1)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
Why CATO?
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