4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione CAS 551921-19-8
| CAS No. | 551921-19-8 |
| Molecular Formula | C16H10F3N5S2 |
| Molecular Weight | 393.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 393.41 g/mol gives 4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 551921-19-8) is a high-purity analytical reference standard with the molecular formula C16H10F3N5S2 and a molecular weight of 393.41 g/mol.
Structurally, 4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (C16H10F3N5S2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 393.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 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 | C16H10F3N5S2 |
| Molecular Weight | 393.41 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Methyl Standards
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Recommended Standards
- 3-(4-{[(3-Fluorophenyl)sulfonyl]amino}phenoxy)-2-thiophenecarboxylic acid (CAS 882747-66-2)
- 4-Methyl-5-[3-(2-pyridinyl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl]-4H-1,2,4-triazole-3-thiol (CAS 551921-22-3)
- 1-Hydroxy-4-((4-(methylsulfonyl)phenyl)amino)anthracene-9,10-dione (CAS 88520-00-7)
- 7-Fluoro-3,4-dihydro-4-[(5-isoquinolinyloxy)acetyl]-1,3,3-trimethyl-2(1H)-quinoxalinone (CAS 878292-27-4)
- 3-Methyl-4-phenylpyrrolidin-2-one (CAS 67159-43-7)
- 4-methoxypyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid (CAS 1556505-15-7)
- 6,7-Dimethoxyquinoline-5,8-dione (CAS 59962-97-9)
- cis-3-(aminomethyl)cyclobutanol hydrochloride (CAS 1400744-20-8)
- Dikegulac monohydrate (CAS 68539-16-2)
- 7-methylbicyclo[4.2.0]octa-1(6),2,4-trien-7-amine hydrochloride (CAS 1909320-28-0)
- Rhodiosin (CAS 86831-54-1)
- 2-Methyl-1-benzothiophene-3-carbonitrile (CAS 39812-03-8)
- 5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione (CAS 138683-67-7)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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