3,6-Dimethyl-2-(methylthio)pyrimidin-4(3H)-one CAS 3240-60-6
| CAS No. | 3240-60-6 |
| Molecular Formula | C7H10N2OS |
| Molecular Weight | 170.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,6-Dimethyl-2-(methylthio)pyrimidin-4(3H)-one (C7H10N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 170.23 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3,6-Dimethyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 3240-60-6) is a high-purity analytical reference standard with the molecular formula C7H10N2OS and a molecular weight of 170.23 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H10N2OS |
| Molecular Weight | 170.23 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.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 1-(2,5-Dimethyl-3-thienyl)-2-hydroxyethanone (CAS 145070-50-4)
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- 2,3-Dimethyl-2H-1,4-thiazine-6-carboxamide (CAS 1956322-75-0)
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