4-Methyl-5-(1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl)-4H-1,2,4-triazole-3-thiol CAS 478067-04-8
| CAS No. | 478067-04-8 |
| Molecular Formula | C15H13N5S2 |
| Molecular Weight | 327.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 327.43 g/mol gives 4-Methyl-5-(1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl)-4H-1,2,4-triazole-3-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Methyl-5-(1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl)-4H-1,2,4-triazole-3-thiol (CAS 478067-04-8), a certified reference material (molecular formula C15H13N5S2, MW 327.43 g/mol) for analytical method development and quality control.
Structurally, 4-Methyl-5-(1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl)-4H-1,2,4-triazole-3-thiol (C15H13N5S2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 327.43 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).
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), 4-Methyl-5-(1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl)-4H-1,2,4-triazole-3-thiol 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 | C15H13N5S2 |
| Molecular Weight | 327.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Recommended Standards
- 3-(4-Amino-5-sulfanyl-4h-1,2,4-triazol-3-yl)-n,n-diethylbenzene-1-sulfonamide (CAS 726165-22-6)
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- 2-Amino-2-(benzo[d][1,3]dioxol-5-yl)acetic acid hydrochloride (CAS 86068-94-2)
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