| CAS No. | 1049554-15-5 |
| Molecular Formula | C18H21NOS |
| Molecular Weight | 299.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(2-Ethylphenyl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide.
N-(2-Ethylphenyl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide (CAS 1049554-15-5), molecular formula C18H21NOS and molecular weight 299.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H21NOS, N-(2-Ethylphenyl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), N-(2-Ethylphenyl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide 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.
| Molecular Formula | C18H21NOS |
| Molecular Weight | 299.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |