3-(Methylthio)-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole CAS 13728-27-3
| CAS No. | 13728-27-3 |
| Molecular Formula | C4H5N5S |
| Molecular Weight | 155.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(Methylthio)-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole is closely related to a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(Methylthio)-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole (CAS 13728-27-3), a certified reference material (molecular formula C4H5N5S, MW 155.18 g/mol) for analytical method development and quality control.
3-(Methylthio)-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole (C4H5N5S) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 3-(Methylthio)-7H-[1,2,4]triazolo[4,3-b][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 | C4H5N5S |
| Molecular Weight | 155.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
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Recommended Standards
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- 2-(7-Fluoro-2-(4-fluorophenyl)-1H-indol-3-yl)acetic acid (CAS 901194-06-7)
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- Dicyclohexylamine (2S,3R)-2-((tert-butoxycarbonyl)amino)-3-hydroxybutanoate (CAS 13564-70-0)
- 2-(3,3-Difluorocyclohexyl)-1-methyl-4-phenylpiperidine (CAS 1241505-02-1)
- 3-Isobutylimidazo[1,2-c]quinazolin-2(3H)-one (CAS 61381-33-7)
- 2-(Cyclopropyl(1-(pyrazin-2-yl)ethyl)amino)ethanol (CAS 1353978-74-1)
- 2-Isopropyl-5-morpholinooxazole-4-carbonitrile (CAS 518982-47-3)
- 1-(4-(Piperidin-1-yl)phenyl)-1H-pyrrole-2,5-dione (CAS 252900-62-2)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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