2-(Ethylthio)-4,6-dimethylpyrimidine CAS 55749-25-2
| CAS No. | 55749-25-2 |
| Molecular Formula | C8H12N2S |
| Molecular Weight | 168.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Ethylthio)-4,6-dimethylpyrimidine (CAS 55749-25-2), molecular formula C8H12N2S and molecular weight 168.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H12N2S, 2-(Ethylthio)-4,6-dimethylpyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(Ethylthio)-4,6-dimethylpyrimidine 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 | C8H12N2S |
| Molecular Weight | 168.26 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethylthio Standards
- (2-(Ethylthio)pyridin-4-yl)methanamine (CAS 1157038-68-0)
- 1-(Ethylthio)-3-methoxybenzene (CAS 38474-02-1)
- 4-(Ethylthio)benzyl alcohol (CAS 81518-54-9)
- 4-[(Ethylthio)methyl]-phenol (CAS 35037-63-9)
- (4-(Ethylthio)phenyl)methanamine (CAS 84212-01-1)
- 5-((Ethylthio)methyl)pyrimidin-2-amine (CAS 37795-59-8)
- 2-(Ethylthio)-5-methylpyrimidin-4(3H)-one (CAS 13480-95-0)
- 2-(Ethylthio)-1-methyl-1H-imidazole-5-carbaldehyde (CAS 191411-48-0)
Recommended Standards
- 2-(4-Methoxyphenyl)ethane-1-thiol (CAS 63659-59-6)
- 2-(m-Tolylthio)ethanol (CAS 4030-45-9)
- 2-(4-Cyclopropyl-1,3-thiazol-2-yl)ethan-1-amine (CAS 642081-24-1)
- 2-(Piperidin-1-yl)thiazole (CAS 4175-70-6)
- Ethyl 7-hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 43024-61-9)
- (2-Amino-4-bromo-phenyl)-carbamic acid tert-butyl ester (CAS 954239-15-7)
- 5-Bromo-1-methoxyisoquinolin-4-amine (CAS 1781537-72-1)
- 2-cyclohexyl-2-(4-cyclohexylphenyl)-2-hydroxyacetic acid (CAS CATO-C4X-197217)
- (4-Imidazinylethynyl)trimethylsilane (CAS 1216709-90-8)
- 2-(3-(Trifluoromethyl)cyclohexyl)propanoic acid (CAS 1560341-13-0)
- 2-Methyl-1-oxo-1,2-dihydroisoquinoline-5-carboxylic acid (CAS 1374651-81-6)
- Pomalidomide Impurity 45 (CAS 1957235-66-3)
- 3-Bromo-5-(2S)-2-pyrrolidinylpyridine (CAS 83023-58-9)
- Vasonatrin Peptide (VNP) trifluoroacetate salt (CAS 141676-35-9)
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