1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one CAS 848340-38-5
| CAS No. | 848340-38-5 |
| Molecular Formula | C18H16F2N4OS |
| Molecular Weight | 374.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 848340-38-5), molecular formula C18H16F2N4OS and molecular weight 374.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, 1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 374.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-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 | C18H16F2N4OS |
| Molecular Weight | 374.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Difluorophenyl Standards
- N-(2,5-difluorophenyl)-2-((4-ethyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 562832-71-7)
- N-(3,4-difluorophenyl)-2-((4-ethyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 564456-77-5)
- n-(3,4-Difluorophenyl)-2-((4-methyl-5-(m-tolyl)-4h-1,2,4-triazol-3-yl)thio)acetamide (CAS 847918-01-8)
- 2-[(3,4-Difluorophenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775440-91-9)
- Methyl 2-({2-[(3,4-difluorophenyl)carbamoyl]thiophen-3-yl}sulfonyl)acetate (CAS 303151-26-0)
- N-(2,4-difluorophenyl)-8-methyl-4H-thieno[3,2-c]thiochromene-2-carboxamide (CAS 477887-20-0)
- N-(2,4-difluorophenyl)-3-((4-methoxybenzyl)oxy)thiophene-2-carboxamide (CAS 339098-34-9)
- N-(2,4-Difluorophenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 585557-82-0)
Recommended Standards
- (R)-2-hydroxy-2-((3aR,5R,6R,6aR)-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 24384-93-8)
- 1,2-O-Isopropylidene-α-D-glucofuranose 3-tosylate (CAS 2946-01-2)
- (E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 468101-36-2)
- 2-((5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 745026-30-6)
- 1-Fluoro-2-iodo-4-(trifluoromethyl)benzene (CAS 110192-48-8)
- Ethyl 6-amino-2-(trifluoromethyl)nicotinate (CAS 1227579-30-7)
- 2-(Propan-2-yloxy)pyridin-3-amine (CAS 187654-86-0)
- 1,3-Dihydroxycyclobutane-1-carboxylic acid (CAS 1458734-58-1)
- Benzylselenocyanate (CAS 4671-93-6)
- 2-Cyano-2-pyrrolidinomethyl benzophenone (CAS 898774-20-4)
- 4-(4-Methoxyphenyl)-5-nitro-1h-imidazole (CAS 65447-41-8)
- N-(Piperidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide hydrochloride (CAS 1353962-52-3)
- 4-Iodo-2,3-dihydrofuro[2,3-b]pyridine (CAS 1620011-26-8)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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