ethyl 3-formyl-2,2-dimethylcyclopropane-1-carboxylate CAS 66692-75-9
| CAS No. | 66692-75-9 |
| Molecular Formula | C9H14O3 |
| Molecular Weight | 170.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, ethyl 3-formyl-2,2-dimethylcyclopropane-1-carboxylate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 170.21 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).
ethyl 3-formyl-2,2-dimethylcyclopropane-1-carboxylate (CAS 66692-75-9) is a high-purity analytical reference standard with the molecular formula C9H14O3 and a molecular weight of 170.21 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), ethyl 3-formyl-2,2-dimethylcyclopropane-1-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 | C9H14O3 |
| Molecular Weight | 170.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, 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.) | 1976 |
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Recommended Standards
- Ethyl 3-Cyclobutyl-3-oxopropanoate (CAS 24922-01-8)
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- Ethyl 4-Cyclopropyl-3-oxobutanoate (CAS 630399-84-7)
- 4-Hydroxy-3-methoxyphenyl Acetate (CAS 57244-88-9)
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- 8-Chloro-4-methylisoquinoline (CAS 2120112-95-8)
- 5-Nitro-3-phenethoxy-1H-indazole (CAS 1365942-40-0)
- 1,5-Dioxepan-2-one (CAS 35438-57-4)
- Tert-butyl 4-((S)-1-amino-2-methoxy-2-oxoethyl)-3-methylpiperidine-1-carboxylate (CAS 2387585-53-5)
- Desamino P-Ethoxy Glufosinate-d3 Ethyl Ester (CAS 1346598-74-0)
- N-(4-Bromophenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618412-90-1)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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