4-Amino-5-(cyclopentyloxy)dihydrofuran-2(3H)-one CAS 370875-31-3
| CAS No. | 370875-31-3 |
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Amino-5-(cyclopentyloxy)dihydrofuran-2(3H)-one (C9H15NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 185.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-Amino-5-(cyclopentyloxy)dihydrofuran-2(3H)-one (CAS 370875-31-3) is a high-purity analytical reference standard with the molecular formula C9H15NO3 and a molecular weight of 185.22 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4-Amino-5-(cyclopentyloxy)dihydrofuran-2(3H)-one 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 | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 4'-AMINOBIPHENYL-3-OL (CAS 779341-20-7)
- 1-[(13S,17R)-11,15-Dioxa-16-azatetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadeca-1(10),2(7),3,5,8-pentaen-16-yl]-2-(morpholin-4-yl)ethan-1-one (CAS 317833-28-6)
- Ethyl 1-(2-aminophenyl)piperidine-4-carboxylate (CAS 889947-83-5)
- N-(3-fluorophenyl)tetrahydro-2H-pyran-4-amine (CAS 1157008-59-7)
- tert-Butyl 2,4,5-trichlorobenzoate (CAS 208512-53-2)
- 2-Chloro-4,6-dimethoxyaniline HCl (CAS 82485-84-5)
- 5-Allyl-2-mercapto-6-methylpyrimidin-4-ol (CAS 102613-14-9)
- Ethyl 3-methoxyisoxazole-4-carboxylate (CAS 2110239-88-6)
- Ethyl 7-bromo-5-fluorobenzofuran-2-carboxylate (CAS 1259929-80-0)
- 2-(5-(2,4-Difluorophenyl)furan-2-yl)cyclopropanecarboxylic acid (CAS 1315372-83-8)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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