4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile CAS 23945-49-5
| CAS No. | 23945-49-5 |
| Molecular Formula | C5H3N3OS |
| Molecular Weight | 153.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 23945-49-5) is a high-purity analytical reference standard with the molecular formula C5H3N3OS and a molecular weight of 153.16 g/mol.
4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (C5H3N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. 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 4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-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.
Physical & Chemical Properties
| Molecular Formula | C5H3N3OS |
| Molecular Weight | 153.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 2-Thioxo-1,2-dihydropyridine-4-carboxamide (CAS 1284183-12-5)
- 1-(5-Methyl-2-thioxo-2H-imidazol-4-yl)ethanone (CAS 129015-10-7)
- 2-Thioxo-1,2-dihydropyridine-3-carboxamide (CAS 50596-67-3)
- 6-Thioxo-1,6-dihydropyridine-3-carboxamide (CAS 7151-89-5)
- 6-Thioxo-1,6-dihydropyridine-3-carboxylic acid (CAS 17624-07-6)
- 4-Thioxo-1,4-dihydropyrimidine-5-carboxamide (CAS 102818-21-3)
- 3-Thioxo-3,4-dihydropyrazine-2-carboxamide (CAS 131295-39-1)
- 2-Thioxo-1,2-dihydropyrimidine-4-carboxamide (CAS 155957-51-0)
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