tert-Butyl (7S,8R)-7,8-difluoro-2-azaspiro[4.4]nonane-2-carboxylate CAS 1638760-15-2
| CAS No. | 1638760-15-2 |
| Molecular Formula | C13H21F2NO2 |
| Molecular Weight | 261.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of tert-Butyl (7S,8R)-7,8-difluoro-2-azaspiro[4.4]nonane-2-carboxylate is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
tert-Butyl (7S,8R)-7,8-difluoro-2-azaspiro[4.4]nonane-2-carboxylate (CAS 1638760-15-2) is a high-purity analytical reference standard with the molecular formula C13H21F2NO2 and a molecular weight of 261.31 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, tert-Butyl (7S,8R)-7,8-difluoro-2-azaspiro[4.4]nonane-2-carboxylate is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 261.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures tert-Butyl (7S,8R)-7,8-difluoro-2-azaspiro[4.4]nonane-2-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 | C13H21F2NO2 |
| Molecular Weight | 261.31 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- ethyl 2,2-difluoro-2-(7-quinolyl)acetate (CAS 1511535-02-6)
- Tert-butyl (S)-2-(hydroxymethyl)-4,4-dimethoxypyrrolidine-1-carboxylate (CAS 1657021-03-8)
- 2-Amino-2-deoxy-1,3:4,5-bis-O-(1-methylethylidene)-D-mannitol (>90%) (CAS 149819-14-7)
- tert-Butyl N-{6,6-difluorospiro[2.5]octan-1-yl}carbamate (CAS 1779125-53-9)
- (2e)-2-[(dimethylamino)methylidene]-4,4-dimethyl-3-oxopentanenitrile (CAS 1235478-04-2)
- 2-Phenyl-3-((thiophen-2-ylmethyl)amino)-1H-inden-1-one (CAS 1023829-76-6)
- 5-(Furan-2-amido)thiophene-2-carboxylic acid (CAS 929972-87-2)
- tert-Butyl 4-(2-(6-((tert-butoxycarbonyl)amino)pyridin-3-yl)ethyl)piperazine-1-carboxylate (CAS 2602340-75-8)
- 2-Cyano-3-{2,5-dimethyl-1-[3-(trifluoromethyl)phenyl]-1h-pyrrol-3-yl}prop-2-enoic acid (CAS 736949-14-7)
- 6-Benzylamino-2-Methyl-Heptan-2-Ol (CAS 71173-00-7)
- Methyl 6-phenethoxy-1H-indole-2-carboxylate (CAS 887360-14-7)
- Methyl 3-amino-4-(pyridin-2-yl)thiophene-2-carboxylate (CAS 1544989-76-5)
- 4,4,5,5,5-Pentafluoro-1-(4-fluorophenyl)pentane-1,3-dione (CAS 64287-12-3)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com