6-Methyl-2-(methylthio)pyrimidin-4-ol CAS 6328-58-1
| CAS No. | 6328-58-1 |
| Molecular Formula | C6H8N2OS |
| Molecular Weight | 156.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-Methyl-2-(methylthio)pyrimidin-4-ol is closely related to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Methyl-2-(methylthio)pyrimidin-4-ol (CAS 6328-58-1), molecular formula C6H8N2OS and molecular weight 156.21 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methyl-2-(methylthio)pyrimidin-4-ol (C6H8N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C6H8N2OS |
| Molecular Weight | 156.21 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.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-(Methylthio)pyrimidine-4,6-diamine (CAS 1005-39-6)
- 1-Methyl-2-(methylthio)-1H-imidazole-5-carbaldehyde (CAS 105956-24-9)
- 1-Methyl-2-(methylthio)-1H-imidazole-4-carbaldehyde (CAS 149806-15-5)
- 4-Methyl-6-(methylthio)pyrimidin-2-ol (CAS 16710-11-5)
- 1-(2-(Methylthio)-1H-imidazol-5-yl)ethan-1-one (CAS 944898-42-4)
- 2-Methyl-5-(methylthio)pyrimidin-4-ol (CAS 66699-20-5)
- 3-(Methylthio)-5,6-dihydro-4H-pyrrolo[3,2-d]isoxazole (CAS 603067-11-4)
- 3-Methyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 6327-98-6)
Recommended Standards
- Edoxaban Impurity 87 (CAS 97164-95-9)
- 5,6-Dimethyl-2-thiouracil (CAS 28456-54-4)
- n'-Hydroxy-5-methylthiophene-2-carboximidamide (CAS 372106-90-6)
- 5-methyl-4-(propan-2-yl)furan-2-carbaldehyde (CAS 1000993-65-6)
- Methyl 3-((3-chloro-4-methylphenyl)amino)propanoate (CAS 105909-47-5)
- N-(2,2,2-Trichloro-1-(piperidin-1-yl)ethyl)furan-2-carboxamide (CAS 303105-16-0)
- 5-FLUORO-6-METHOXY-1H-INDOLE-3-CARBONITRILE (CAS 1211593-82-6)
- rac-(2R,3R)-2-(1-methyl-1H-imidazol-2-yl)oxane-3-carboxylic acid (CAS 1969288-59-2)
- 4-Chloro-2-phenyl-8-(trifluoromethyl)quinoline (CAS 1189105-84-7)
- 2-((2-(Methyl(phenyl)amino)-2-oxoethyl)thio)benzoic acid (CAS 329081-93-8)
- 5-(Methylsulfonyl)-4-(3-nitrophenyl)pyrimidin-2-amine (CAS 1713714-44-3)
- Methyl 3-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 957065-97-3)
- tert-Butyl 3-iodo-5-methoxy-1H-indazole-1-carboxylate (CAS 290368-03-5)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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