4-Thioxo-3,4-dihydropyrido[2,3-d]pyrimidin-2(1H)-one CAS 91996-78-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91996-78-0 |
| Molecular Formula | C7H5N3OS |
| Molecular Weight | 179.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Thioxo-3,4-dihydropyrido[2,3-d]pyrimidin-2(1H)-one (CAS 91996-78-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5N3OS. Molecular weight: 179.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5N3OS |
| Molecular Weight | 179.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thioxo Standards
- 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one (CAS 37891-04-6)
- 2-Thioxo-2,3-dihydro-1H-benzo[d]imidazole-4,7-dione (CAS 853793-92-7)
- 2-Thioxo-2,3-dihydro-1H-benzo[d]imidazole-1-carbaldehyde (CAS 56029-77-7)
- (R)-2-Thioxo-1,3-thiazinane-4-carboxylic acid (CAS 98119-93-8)
- 6-Methyl-4-thioxo-4,5-dihydrofuro[3,4-c]pyridin-3(1H)-one (CAS 178970-86-0)
- 6-Methyl-2-thioxo-2,3-dihydro-1H-pyrrolo[2,3-d]pyrimidin-4(7H)-one (CAS 97337-17-2)
- 7-Methyl-2-thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one (CAS 1196157-07-9)
- 7-Methyl-3-thioxo-2,3-dihydro-1H-pyrrolo[1,2-c]imidazole-1,5(6H)-dione (CAS 13594-06-4)
Recommended Standards
- 4-Hydroxybenzothiazole-2-carboxaldehyde (CAS 30741-00-5)
- 5-(1,3-Thiazol-2-yl)furan-2-carbaldehyde (CAS 342601-01-8)
- 4-Carboxyphenyl isothiocyanate (CAS 2131-62-6)
- 2-Methoxy-4-methyl-6-(prop-2-en-1-yl)phenol (CAS 77879-82-4)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(2-methyl-1H-imidazol-1-yl)thiophen-2-yl)boronate (CAS 2223039-66-3)
- 2-((4-Bromophenyl)amino)pyrimidin-4(3H)-one (CAS 1201791-26-5)
- Dronedarone Impurity 81 (CAS CATO-C4X-109281)
- β-Cyclogeraniol-d (CAS 78995-99-0)
- 5-Methyl-4-phenyl-2-(pyridin-4-yl)thiazole (CAS 1217863-43-8)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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