4-chloro-5-methyl-2-(methylsulfanyl)pyrimidine CAS 61044-96-0
| CAS No. | 61044-96-0 |
| Molecular Formula | C6H13ClN2S |
| Molecular Weight | 180.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-chloro-5-methyl-2-(methylsulfanyl)pyrimidine 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.
4-chloro-5-methyl-2-(methylsulfanyl)pyrimidine (CAS 61044-96-0) is a high-purity analytical reference standard with the molecular formula C6H13ClN2S and a molecular weight of 180.70 g/mol.
Owing to sulfur-containing functionality, chlorine substitution, 4-chloro-5-methyl-2-(methylsulfanyl)pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 180.70 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H13ClN2S |
| Molecular Weight | 180.70 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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