| CAS No. | 2187426-29-3 |
| Molecular Formula | C12H19NO5 |
| Molecular Weight | 257.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 257.28 g/mol gives (3aS,5S,6aS)-4-(tert-Butoxycarbonyl)hexahydro-2H-furo[3,2-b]pyrrole-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3aS,5S,6aS)-4-(tert-Butoxycarbonyl)hexahydro-2H-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 2187426-29-3), molecular formula C12H19NO5 and molecular weight 257.28 g/mol, is a CATO reference standard with documented purity and traceability.
(3aS,5S,6aS)-4-(tert-Butoxycarbonyl)hexahydro-2H-furo[3,2-b]pyrrole-5-carboxylic acid (C12H19NO5) contains an amino-acid-derived structure, 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.
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.
| Molecular Formula | C12H19NO5 |
| Molecular Weight | 257.28 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.) | 1998 |
| Nitrogen Atoms | 1 |