2-Cyano-2-(4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene)-n-[4-(propan-2-yl)phenyl]acetamide CAS 924869-79-4
| CAS No. | 924869-79-4 |
| Molecular Formula | C21H19N3O2S |
| Molecular Weight | 377.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Cyano-2-(4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene)-n-[4-(propan-2-yl)phenyl]acetamide (C21H19N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 377.46 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-Cyano-2-(4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene)-n-[4-(propan-2-yl)phenyl]acetamide (CAS 924869-79-4), molecular formula C21H19N3O2S and molecular weight 377.46 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O2S |
| Molecular Weight | 377.46 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- tert-butyl 5-bromo-2,3-dihydropyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1111638-13-1)
- (R)-10-Monohydroxy-10,11-dihydro Carbamazepine O-β-D-Glucuronide Sodium Salt (CAS 104746-01-2)
- Methyl 6-chloro-3-(methylthio)-1H-indole-5-carboxylate (CAS 309915-20-6)
- 2-{[4-(4-ethoxyphenyl)-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 893725-73-0)
- 7-Chloro-2-(3,4-dimethoxyphenyl)-6-ethyl-5-methylpyrazolo[1,5-a]pyrimidine (CAS 1464091-54-0)
- Methyl 3-(2-fluorophenyl)-3-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanoate (CAS 383148-35-4)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-4-phenylbutan-1-amine (CAS 212714-10-8)
- 3-(Benzo[d][1,3]dioxol-5-ylamino)-1-(p-tolyl)propan-1-one (CAS 477333-90-7)
- N-Nitroso Isoprenaline Impurity 35 (CAS CATO-C4X-277535)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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