Tert-butyl 9-(2-ethoxy-2-oxoethylidene)-3-azaspiro[5.5]Undecane-3-carboxylate CAS 1416176-18-5
| CAS No. | 1416176-18-5 |
| Molecular Formula | C19H31NO4 |
| Molecular Weight | 337.45 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.
Tert-butyl 9-(2-ethoxy-2-oxoethylidene)-3-azaspiro[5.5]Undecane-3-carboxylate (CAS 1416176-18-5), molecular formula C19H31NO4 and molecular weight 337.45 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Tert-butyl 9-(2-ethoxy-2-oxoethylidene)-3-azaspiro[5.5]Undecane-3-carboxylate (C19H31NO4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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 337.45 g/mol, it falls into the moderately-high-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).
CATO manufactures Tert-butyl 9-(2-ethoxy-2-oxoethylidene)-3-azaspiro[5.5]Undecane-3-carboxylate 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 | C19H31NO4 |
| Molecular Weight | 337.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
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