2-((4-Ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide CAS 573972-93-7
| CAS No. | 573972-93-7 |
| Molecular Formula | C23H21N5O2S |
| Molecular Weight | 431.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-((4-Ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide (CAS 573972-93-7) is a high-purity analytical reference standard with the molecular formula C23H21N5O2S and a molecular weight of 431.51 g/mol.
Structurally, 2-((4-Ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide (C23H21N5O2S) 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 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 431.51 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H21N5O2S |
| Molecular Weight | 431.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-((4-Ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide (CAS 587005-82-1)
- Ethyl 3-((4-(pyridin-2-yl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932464-69-2)
- N-(4-(Pyridin-4-ylamino)phenyl)-4-(quinolin-4-ylamino)benzamide (CAS 23655-67-6)
- 1-(1-(3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 1396795-05-3)
- 2-(5-Phenyl-4-(pyridin-4-yl)-1H-1,2,3-triazol-1-yl)-N-(5-phenylpyridin-2-yl)acetamide (CAS 2074607-48-8)
- N-(4-(3-(Pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)benzenesulfonamide (CAS 891135-67-4)
- 4-(Bis(4-(pyridin-4-yl)phenyl)amino)benzaldehyde (CAS 1449315-89-2)
- Ethyl 4-(2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate (CAS 868967-19-5)
Recommended Standards
- 2-((2-(Piperidin-1-ylsulfonyl)ethyl)(pyridin-4-ylmethyl)carbamoyl)benzoic acid (CAS 921054-46-8)
- 2-((2-(Piperidin-1-ylsulfonyl)ethyl)(pyridin-2-ylmethyl)carbamoyl)benzoic acid (CAS 921141-27-7)
- 2,2,3-Tribromobutane (CAS 62127-47-3)
- 17-Hydroxy-19-nor-5α,17α-pregn-20-en-3-one (CAS 6424-06-2)
- 2-((3-Cyano-4-(3,4-dimethoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-(2-methyl-5-nitrophenyl)acetamide (CAS 444152-30-1)
- N-[3-(5-amino-4-cyano-1-methyl-1H-pyrazol-3-yl)propyl]acetamide (CAS 1170584-04-9)
- 2-(3-Methoxyphenyl)indolizine (CAS 82682-68-6)
- 2-amino-6-fluoro-1,3-benzoxazole-5-carbonitrile (CAS 1820603-76-6)
- 2-Chloro-4-iodopyrimidine (CAS 395082-55-0)
- Methyl 5-(aminomethyl)isoxazole-3-carboxylate (CAS 893749-60-5)
- 2-Nitro-1h-indene-1,3(2h)-dione (CAS 3674-33-7)
- (2R,6S)-4-bromo-2,6-dimethyltetrahydro-2H-pyran (CAS 1807941-37-2)
- 2-(4-MEthanesulfonyl-2-nitrophenyl)propanedioic acid (CAS 773869-70-8)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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