(1R)-3-oxocyclopentane-1-carbonitrile CAS 180475-44-9
| CAS No. | 180475-44-9 |
| Molecular Formula | C6H7NO |
| Molecular Weight | 109.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(1R)-3-oxocyclopentane-1-carbonitrile (CAS 180475-44-9), molecular formula C6H7NO and molecular weight 109.13 g/mol, is a CATO reference standard with documented purity and traceability.
(1R)-3-oxocyclopentane-1-carbonitrile (C6H7NO) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
As a certified reference material (CRM), (1R)-3-oxocyclopentane-1-carbonitrile 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 | C6H7NO |
| Molecular Weight | 109.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Nitrogen Atoms | 1 |
Related R Standards
- (1S)-3-oxocyclopentane-1-carbonitrile (CAS 1821771-40-7)
- (1R)-2-Oxocyclopentane-1-carbonitrile (CAS 1823182-48-4)
- 1-Methyl-2-oxocyclopentane-1-carbonitrile (CAS 66984-18-7)
- 3-Methyl-2-oxocyclopentane-1-carbonitrile (CAS 69843-81-8)
- 2-Oxocyclopentane-1-carboxamide (CAS 62221-86-7)
- 1-Ethyl-2-oxocyclopentane-1-carbonitrile (CAS 99372-97-1)
- 1-Methyl-3-oxocyclopentane-1-carboxylic acid (CAS 85729-35-7)
- 4-Oxocyclopentane-1,2-dicarboxylic Acid (CAS 1703-61-3)
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