(E)-6-(2,6-dichlorostyryl)-2-(ethylthio)-4,4-dimethyl-1,4-dihydropyrimidine CAS 303148-85-8
| CAS No. | 303148-85-8 |
| Molecular Formula | C16H18Cl2N2S |
| Molecular Weight | 341.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(E)-6-(2,6-dichlorostyryl)-2-(ethylthio)-4,4-dimethyl-1,4-dihydropyrimidine (CAS 303148-85-8), molecular formula C16H18Cl2N2S and molecular weight 341.30 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution, (E)-6-(2,6-dichlorostyryl)-2-(ethylthio)-4,4-dimethyl-1,4-dihydropyrimidine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures (E)-6-(2,6-dichlorostyryl)-2-(ethylthio)-4,4-dimethyl-1,4-dihydropyrimidine 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 | C16H18Cl2N2S |
| Molecular Weight | 341.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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-(2,4-dichlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine (CAS 329234-89-1)
- (E)-6-(2,6-dichlorostyryl)-4,4-dimethyl-2-(methylthio)-1,4-dihydropyrimidine (CAS 282523-31-3)
- (E)-2-((4-(2,4-dichlorostyryl)pyrimidin-2-yl)thio)acetonitrile (CAS 339278-45-4)
- (E)-2-(2,3-dichlorostyryl)benzo[d]thiazole (CAS 338415-37-5)
- (E)-7-(2,4-dichlorostyryl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 692737-05-6)
- (E)-2-(2,6-Dichlorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1355090-12-8)
- 4-(3,4-Dichlorostyryl)-2,6-dimethylphenol (CAS 125722-15-8)
- (E)-2-(2,4-dichlorostyryl)benzo[d]oxazole (CAS 338415-65-9)
Recommended Standards
- N-(2-Fluorobenzyl)-2-(pyrazine-2-carboxamido)oxazole-4-carboxamide (CAS 1396886-72-8)
- N-(4-fluorophenyl)-5-methyl-1-(4-nitrophenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 321431-08-7)
- 4-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-2-(ethylsulfanyl)-6,6-dimethyl-1,6-dihydropyrimidine (CAS 1164553-16-5)
- 2-((3',5'-Difluoro-[2,4'-bipyridin]-5-yl)amino)-5-methylbenzoic acid (CAS 1119087-76-1)
- (11bR)-2,6-bis[4-(9-anthracenyl)-2,6-bis(1-methylethyl)phenyl]-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 1236191-19-7)
- 4-Methoxy-3-(thiomorpholinomethyl)benzaldehyde hydrochloride (CAS 811842-63-4)
- 2-Formyl-6-hydroxyisonicotinic acid (CAS 1289061-93-3)
- N-(Cyclopropylmethyl)cyclopropanamine (CAS 215522-80-8)
- 5-bromo-3-methyl-1,2,4-oxadiazole (CAS 960053-90-1)
- 2-(6-Methoxypyridin-3-yl)-2-methylpropan-1-amine (CAS 1060807-33-1)
- T-F-Q-A-Y-P-L-R-E-A (CAS 117592-22-0)
- Glycidyl Laurate (CAS 1984-77-6)
- tert-Butyl 4-trifluoromethylspiro[indoline-3,4'-piperidine]-1'-carboxylate (CAS 1129421-52-8)
- Tau Peptide (306-336) (Repeat 3 Domain) trifluoroacetate salt (CAS 330456-26-3)
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