| CAS No. | 948575-58-4 |
| Molecular Formula | C6H3N5OS |
| Molecular Weight | 193.19 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 4-Hydroxy-2-mercaptopyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile.
4-Hydroxy-2-mercaptopyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile (CAS 948575-58-4) is a high-purity analytical reference standard with the molecular formula C6H3N5OS and a molecular weight of 193.19 g/mol.
Based on its molecular formula C6H3N5OS, 4-Hydroxy-2-mercaptopyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.19 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.
CATO manufactures 4-Hydroxy-2-mercaptopyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile 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.
| Molecular Formula | C6H3N5OS |
| Molecular Weight | 193.19 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |