3-(Methylthio)-5-(4-nitrophenyl)-1H-1,2,4-triazole CAS 57295-48-4
| CAS No. | 57295-48-4 |
| Molecular Formula | C9H8N4O2S |
| Molecular Weight | 236.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-(Methylthio)-5-(4-nitrophenyl)-1H-1,2,4-triazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 236.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-(Methylthio)-5-(4-nitrophenyl)-1H-1,2,4-triazole (CAS 57295-48-4) is a high-purity analytical reference standard with the molecular formula C9H8N4O2S and a molecular weight of 236.25 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(Methylthio)-5-(4-nitrophenyl)-1H-1,2,4-triazole 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 | C9H8N4O2S |
| Molecular Weight | 236.25 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 5-(2-(Methylthio)phenyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1502039-45-3)
- 4-(Methylthio)-2-(trifluoromethyl)benzoic acid (CAS 118939-16-5)
- 2-(Methylthio)-4-(trifluoromethyl)benzoic acid (CAS 142994-05-6)
- 2-(2-(Methylthio)-1H-benzo[d]imidazol-1-yl)propanoic acid (CAS 928712-24-7)
- 3-(Methylthio)-5-(trifluoromethyl)benzoic acid (CAS 53985-40-3)
- 6-(Methylthio)-9-(tetrahydrofuran-2-yl)-9H-purine (CAS 51112-64-2)
- 3-Methyl-6-(methylthio)-3H-purine (CAS 1008-08-8)
- 8-(Methylthio)-6,8-dihydro-7H-thiazolo[5,4-e]indol-7-one (CAS 222036-26-2)
Recommended Standards
- 3-(Acetylamino)thieno[2,3-b]-pyridine-2-carboxylic acid (CAS 58327-94-9)
- 3-Methyl-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid (CAS 847783-61-3)
- 3-(4-Oxo-4,5-dihydro-thiazol-2-ylamino)-benzoic acid (CAS 432013-04-2)
- 4-((4-Oxothiazolidin-2-ylidene)amino)benzoic acid (CAS 82365-56-8)
- delta(7)-Stigmastenol (CAS 6869-99-4)
- (R)-6,6'-Bis(3,5-dimethylphenyl)-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 930784-56-8)
- tert-butyl N-({1-[3-(aminomethyl)phenyl]-1H-1,2,3-triazol-4-yl}methyl)carbamate (CAS 2060041-97-4)
- 2,3,5,6-Tetrafluoroterephthalaldehyde (CAS 3217-47-8)
- Ethyl 2-nitrilo-3-(2,4,6-trimethoxyphenyl)-prop-2-enoate (CAS 930779-93-4)
- 4-(4-Cyanophenyl)-2-fluorobenzoic acid (CAS 1261929-01-4)
- 2-Methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1220219-22-6)
- Ketorolac-d5 (CAS 1215767-66-0)
- Ethyl 3-oxo-2-(pyridin-3-yl)butanoate (CAS 913839-58-4)
- Peptide Impurity 27 (CAS 1350456-68-6)
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