(E)-6-(4-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine CAS 303148-51-8
| CAS No. | 303148-51-8 |
| Molecular Formula | C15H17ClN2S |
| Molecular Weight | 292.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C15H17ClN2S, (E)-6-(4-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.83 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
(E)-6-(4-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine (CAS 303148-51-8), molecular formula C15H17ClN2S and molecular weight 292.83 g/mol, is a CATO reference standard with documented purity and traceability.
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), (E)-6-(4-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine 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.
Physical & Chemical Properties
| Molecular Formula | C15H17ClN2S |
| Molecular Weight | 292.83 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-6-(2-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine (CAS 282523-38-0)
- (E)-6-(3-chlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine (CAS 329234-81-3)
- (E)-2-(5-(2-Chlorostyryl)-1H-1,2,4-triazol-3-yl)phenol (CAS 939052-77-4)
- 2-(3-(2-Chlorostyryl)-1H-1,2,4-triazol-5-yl)phenol (CAS 579441-58-0)
- (E)-2-((4-(4-chlorostyryl)pyrimidin-2-yl)thio)acetonitrile (CAS 339278-37-4)
- (E)-3-(5-(4-chlorostyryl)-1H-pyrazol-1-yl)-5-methyl-4H-1,2,4-triazol-4-amine (CAS 318959-13-6)
- 2-(2-Chlorostyryl)-5-methyloxazole-4-carbonyl chloride (CAS 89724-62-9)
- 2-(3-Chlorostyryl)quinolin-8-ol (CAS 874100-34-2)
Recommended Standards
- 2-(4-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)ethanamine (CAS 953894-24-1)
- 4-(4-Chlorophenyl)-2-(4-methylpiperidin-1-yl)thiazole (CAS 345987-48-6)
- 9-Chloro-9-phenyl-9H-9-silafluorene (CAS 18766-52-4)
- rac 2-Lauroyl-3-chloropropanediol (CAS 1329647-11-1)
- 9-Methyl-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one (CAS 886366-77-4)
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- 3-Bromo-2-(4-fluorophenyl)pyridine (CAS 1417519-79-9)
- 1-(2-Cyclopropylpyrimidin-4-yl)-N-methylmethanamine (CAS 1343607-66-8)
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