203661-69-2 7-Azaspiro[3.5]nonane-7-carboxylic acid, 2-oxo-, 1,1-dimethylethyl ester CAS 203661-69-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203661-69-2 |
| Molecular Formula | C13H21NO3 |
| Molecular Weight | 239.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
203661-69-2 7-Azaspiro[3.5]nonane-7-carboxylic acid, 2-oxo-, 1,1-dimethylethyl ester (CAS 203661-69-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H21NO3. Molecular weight: 239.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H21NO3 |
| Molecular Weight | 239.31 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2015 |
| Nitrogen Atoms | 1 |
Related Azaspiro Standards
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- 6-Boc-6-azaspiro[3.4]octane-2-carbaldehyde (CAS 203662-55-9)
- 3-Oxo-7-azaspiro[3.5]nonane-7-carboxylate tert-butyl ester 849203-60-7 1-Oxo-7-Boc-7-azaspiro[3.5]nonane (CAS 849203-60-7)
- 2-(2-Azaspiro[3.3]heptan-6-yloxy)-1-morpholinoethanone (CAS 1707364-58-6)
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- 4-(8-Oxo-1-azaspiro[4.4]non-6-en-1-yl)benzonitrile (CAS 2007908-55-4)
- 7-Boc-7-azaspiro[3.5]nonan-2-ol (CAS 240401-28-9)
Recommended Standards
- Tetrahydro-4H-thiopyran-4-one O-(3-fluorobenzyl) oxime (CAS 866155-15-9)
- 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 5,6-dihydro-2-isothiocyanato-, methyl ester (9CI) 588676-82-8 (CAS 588676-82-8)
- Tert-butyl7-oxo-1-azaspiro[3.5]nonane-1-carboxylate (CAS 2306264-15-1)
- 1-Bromo-3-(2-chlorophenyl)propan-2-one (CAS 651358-39-3)
- 3-Bromo-5-chloro-2-ethynylpyridine (CAS 1211528-84-5)
- Tert-butyl n-(4,4,4-trifluoro-3-hydroxy-1-phenylbutan-2-yl)carbamate (CAS 1311317-58-4)
- 5-Cyclopropoxy-6-nitronicotinaldehyde (CAS 1243465-12-4)
- 1-(2,2-Dimethoxypropyl)-3-nitro-1h-pyrazole (CAS 1240566-63-5)
- 2-Methoxy-3-nitro-4-picoline (CAS 160590-36-3)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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