(1S,4R)-Acetic acid 4-tert-butoxycarbonylamino-cyclopent-2-enyl ester CAS 189625-14-7
| CAS No. | 189625-14-7 |
| Molecular Formula | C12H19NO4 |
| Molecular Weight | 241.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1S,4R)-Acetic acid 4-tert-butoxycarbonylamino-cyclopent-2-enyl ester (CAS 189625-14-7) is a high-purity analytical reference standard with the molecular formula C12H19NO4 and a molecular weight of 241.28 g/mol.
(1S,4R)-Acetic acid 4-tert-butoxycarbonylamino-cyclopent-2-enyl ester (C12H19NO4) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 (1S,4R)-Acetic acid 4-tert-butoxycarbonylamino-cyclopent-2-enyl ester 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 | C12H19NO4 |
| Molecular Weight | 241.28 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.) | 2011 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(tert-Butoxycarbonyl)-2-azabicyclo[4.1.0]heptane-5-carboxylic acid (CAS 1891128-35-0)
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- 1-(tert-Butyl) 3-ethyl 4,5-dihydro-1H-pyrrole-1,3-dicarboxylate (CAS 188528-94-1)
- 5,5-Dimethyl-4-((4S)-4-methyltetrahydro-2H-pyran-2-yl)-4,5-dihydroisoxazole-3-carboxylic acid (CAS 1910205-48-9)
- m-PEG11-Amine (CAS 854601-60-8)
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- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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