| CAS No. | 340829-40-5 |
| Molecular Formula | C8H15N3OS |
| Molecular Weight | 201.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(Butylthio)-4-ethyl-1H-1,2,4-triazol-5(4H)-one.
3-(Butylthio)-4-ethyl-1H-1,2,4-triazol-5(4H)-one (CAS 340829-40-5) is a high-purity analytical reference standard with the molecular formula C8H15N3OS and a molecular weight of 201.29 g/mol.
Based on its molecular formula C8H15N3OS, 3-(Butylthio)-4-ethyl-1H-1,2,4-triazol-5(4H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 3-(Butylthio)-4-ethyl-1H-1,2,4-triazol-5(4H)-one 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.
| Molecular Formula | C8H15N3OS |
| Molecular Weight | 201.29 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |