Methyl 2,5,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate CAS 1559907-99-1
| CAS No. | 1559907-99-1 |
| Molecular Formula | C12H20O3 |
| Molecular Weight | 212.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 2,5,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1559907-99-1) is a high-purity analytical reference standard with the molecular formula C12H20O3 and a molecular weight of 212.29 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Methyl 2,5,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 212.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), Methyl 2,5,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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 |
Related Methyl Standards
- Methyl 2,4,7-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1558582-05-0)
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- Methyl 2,4,5-trimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1559498-17-7)
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Recommended Standards
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- Methyl 2-isopropyl-5-methyl-1-oxaspiro[2.4]heptane-2-carboxylate (CAS 1559423-20-9)
- Ethyl 4,7-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 1561041-62-0)
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