7-(Tert-butoxycarbonyl)-2-oxa-7-azaspiro[4.4]Nonane-9-carboxylic acid CAS 2089651-08-9
| CAS No. | 2089651-08-9 |
| Molecular Formula | C13H21NO5 |
| Molecular Weight | 271.31 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.
7-(Tert-butoxycarbonyl)-2-oxa-7-azaspiro[4.4]Nonane-9-carboxylic acid (CAS 2089651-08-9) is a high-purity analytical reference standard with the molecular formula C13H21NO5 and a molecular weight of 271.31 g/mol.
7-(Tert-butoxycarbonyl)-2-oxa-7-azaspiro[4.4]Nonane-9-carboxylic acid (C13H21NO5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C13H21NO5 |
| Molecular Weight | 271.31 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Tert Standards
- 9-(tert-Butoxycarbonyl)-3-oxa-9-azabicyclo[3.3.1]nonane-7-carboxylic acid (CAS 1233323-61-9)
- 8-(tert-Butoxycarbonyl)-5-oxa-8-azaspiro[3.5]nonane-2-carboxylic acid (CAS 1250999-58-6)
- 2-(tert-Butoxycarbonyl)-7-oxa-2-azaspiro[3.5]nonane-5-carboxylic acid (CAS 1251009-59-2)
- 5-(Tert-butoxycarbonyl)-8-oxa-5-azaspiro[3.5]Nonane-2-carboxylic acid (CAS 1251022-92-0)
- 2-(1-((Tert-butoxycarbonyl)amino)-4-oxocyclohexyl)acetic acid (CAS 1262408-70-7)
- 7-(Tert-butoxycarbonyl)-1-oxa-7-azaspiro[4.4]Nonane-2-carboxylic acid (CAS 1268520-63-3)
- 2-(2-(tert-Butoxycarbonyl)-5-oxa-2-azaspiro[3.4]octan-7-yl)acetic acid (CAS 1330763-34-2)
- 7-(Tert-butoxycarbonyl)-3-oxa-7-azabicyclo[3.3.1]Nonane-9-carboxylic acid (CAS 1341037-51-1)
Recommended Standards
- 7-(tert-Butoxycarbonyl)-1-oxa-7-azaspiro[3.5]nonane-3-carboxylic acid (CAS 2227205-93-6)
- 7-(Tert-butyl) 1-methyl (1R,3R,4R)-3-hydroxy-7-azabicyclo[2.2.1]Heptane-1,7-dicarboxylate (CAS 255897-12-2)
- 6-cyclopropyl-1-(1-cyclopropylethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 954254-86-5)
- 7-(Tert-butyl) 1-methyl 3-hydroxy-7-azabicyclo[2.2.1]Heptane-1,7-dicarboxylate (CAS 935761-18-5)
- 1-(3-Ethylphenyl)-2-sulfanyl-4,5-dihydro-1h-imidazol-5-one (CAS 852217-66-4)
- Benzyl (4-(2-aminoethoxy)cyclohexyl)carbamate (CAS 1353978-91-2)
- 3-(2-Methoxyphenyl)-1-methyl-1H-pyrazol-5-amine (CAS 957313-52-9)
- 4-(5-Chloro-2-methylphenyl)-N-(2-ethylphenyl)piperazine-1-carboxamide (CAS 892811-48-2)
- Schizandrin A (CAS 61281-38-7)
- 3-(trifluoromethyl)cyclopentane-1-carboxylic acid (CAS 1547061-05-1)
- 3-Amino-4-(1H-indol-3-yl)butanoic acid (CAS 2474-01-3)
- 2-[4-(methylsulfanyl)phenoxy]ethanimidamide hydrochloride (CAS 1394705-82-8)
- 2,2-difluoro-6-methoxy-benzofuran-3-one (CAS 2644051-78-3)
- (10-31)Semaglutide (CAS CATO-C4X-2226283)
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