(R)-4-(tert-butoxy)-2-(cyclobutylmethyl)-4-oxobutanoic acid CAS 219615-88-0
| CAS No. | 219615-88-0 |
| Molecular Formula | C13H22O4 |
| Molecular Weight | 242.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-4-(tert-butoxy)-2-(cyclobutylmethyl)-4-oxobutanoic acid (C13H22O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
(R)-4-(tert-butoxy)-2-(cyclobutylmethyl)-4-oxobutanoic acid (CAS 219615-88-0), molecular formula C13H22O4 and molecular weight 242.31 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (R)-4-(tert-butoxy)-2-(cyclobutylmethyl)-4-oxobutanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H22O4 |
| Molecular Weight | 242.31 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2019 |
Recommended Standards
- (R)-4-(tert-butoxy)-2-((1-methylcyclopropyl)methyl)-4-oxobutanoic acid (CAS 2426657-72-7)
- (S)-tert-Butyl 3-(N-methylacetamido)pyrrolidine-1-carboxylate (CAS 438585-60-5)
- (Cyclopentylcarbamoyl)-L-leucine (CAS 956192-72-6)
- [4-(Benzyloxy)-3,5-dimethylphenyl]methanol (CAS 773868-60-3)
- (S)-5-((R)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one monosodium salt (CAS 58657-35-5)
- Tert-butyl 2-((3,5-bis(trifluoromethyl)phenyl)(imino)methyl)hydrazine-1-carboxylate (CAS 1053655-95-0)
- 1-(3,5-Dichloropyridin-4-yl)propan-1-ol (CAS 1957212-69-9)
- PDdEC-NB (CAS 1956318-90-3)
- 2-Cyano-N-(2,4-dichlorobenzyl)acetamide (CAS 64488-09-1)
- Z-Thr-OEt (CAS 28130-04-3)
- 2,5-Furandicarboxylic acid (CAS 3238-40-2)
- 1-Benzyl 4-methyl 2-(tert-butoxycarbonyl)succinate (CAS 1050238-07-7)
- (2E)-3-(2,4-Dimethylphenyl)-N-(diphenylmethyl)prop-2-enamide (CAS 329778-36-1)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
Why CATO?
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