6-Methyl-1H-pyrazolo[1,5-b][1,2,4]triazole-2(3H)-thione CAS 121066-19-1
| CAS No. | 121066-19-1 |
| Molecular Formula | C5H6N4S |
| Molecular Weight | 154.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-Methyl-1H-pyrazolo[1,5-b][1,2,4]triazole-2(3H)-thione.
6-Methyl-1H-pyrazolo[1,5-b][1,2,4]triazole-2(3H)-thione (CAS 121066-19-1), molecular formula C5H6N4S and molecular weight 154.19 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methyl-1H-pyrazolo[1,5-b][1,2,4]triazole-2(3H)-thione (C5H6N4S) 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.
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), 6-Methyl-1H-pyrazolo[1,5-b][1,2,4]triazole-2(3H)-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 | C5H6N4S |
| Molecular Weight | 154.19 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.) | 1991 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
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