1-Ethyl-3-(4H-1,2,4-triazol-4-yl)thiourea CAS 5102-45-4
| CAS No. | 5102-45-4 |
| Molecular Formula | C5H9N5S |
| Molecular Weight | 171.22 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 1-Ethyl-3-(4H-1,2,4-triazol-4-yl)thiourea.
1-Ethyl-3-(4H-1,2,4-triazol-4-yl)thiourea (CAS 5102-45-4), molecular formula C5H9N5S and molecular weight 171.22 g/mol, is a CATO reference standard with documented purity and traceability.
1-Ethyl-3-(4H-1,2,4-triazol-4-yl)thiourea (C5H9N5S) 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Ethyl-3-(4H-1,2,4-triazol-4-yl)thiourea under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H9N5S |
| Molecular Weight | 171.22 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
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Why CATO?
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