Tert-butyl 2-(4-hydroxyphenyl)-1-oxa-7-azaspiro[4.5]Decane-7-carboxylate CAS 1206970-20-8
| CAS No. | 1206970-20-8 |
| Molecular Formula | C19H27NO4 |
| Molecular Weight | 333.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 333.42 g/mol gives Tert-butyl 2-(4-hydroxyphenyl)-1-oxa-7-azaspiro[4.5]Decane-7-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tert-butyl 2-(4-hydroxyphenyl)-1-oxa-7-azaspiro[4.5]Decane-7-carboxylate (CAS 1206970-20-8) is a high-purity analytical reference standard with the molecular formula C19H27NO4 and a molecular weight of 333.42 g/mol.
Tert-butyl 2-(4-hydroxyphenyl)-1-oxa-7-azaspiro[4.5]Decane-7-carboxylate (C19H27NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C19H27NO4 |
| Molecular Weight | 333.42 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-tert-Butyl 4-ethyl 4-phenylpiperidine-1,4-dicarboxylate (CAS 1189118-20-4)
- Tert-butyl 2-(3-hydroxyphenyl)-1-oxa-7-azaspiro[4.5]Decane-7-carboxylate (CAS 1206970-72-0)
- 4-(4-Hexyloxybenzoyl)isoquinoline (CAS 1187171-69-2)
- (R)-1-(tert-Butoxycarbonyl)-2-(3-phenylpropyl)pyrrolidine-2-carboxylic acid (CAS 1217837-34-7)
- 2-ethyl-2,8-diazaspiro[4.5]decan-1-one hydrochloride (CAS 64097-86-5)
- 4-(4-Formylpiperazin-1-yl)-4-oxobut-2-enoic acid (CAS 929474-10-2)
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- 3,4-Difluorophenetole (CAS 163848-46-2)
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- (2R,3S)-Methyl 3-methoxypyrrolidine-2-carboxylate (CAS 121373-41-9)
- (E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid 3-(4-Methoxybenzoyl)acrylic acid 5711-41-1 (CAS 5711-41-1)
- Ethyl 5-(trifluoromethyl)nicotinate (CAS 1060794-89-9)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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