2-(Methylthio)-5-phenylthieno[2,3-d]pyrimidin-4-ol CAS 448230-52-2
| CAS No. | 448230-52-2 |
| Molecular Formula | C13H10N2OS2 |
| Molecular Weight | 274.36 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.
2-(Methylthio)-5-phenylthieno[2,3-d]pyrimidin-4-ol (CAS 448230-52-2), molecular formula C13H10N2OS2 and molecular weight 274.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Methylthio)-5-phenylthieno[2,3-d]pyrimidin-4-ol (C13H10N2OS2) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 274.36 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C13H10N2OS2 |
| Molecular Weight | 274.36 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methylthio Standards
- N-(2-(Methylthio)phenyl)-4-(1H-pyrrol-1-yl)butanamide (CAS 1251563-94-6)
- Ethyl 2-(methylthio)-6-phenylpyrimidine-4-carboxylate (CAS 1644431-42-4)
- Ethyl 2-(methylthio)-4-phenylpyrimidine-5-carboxylate (CAS 77995-06-3)
- Bis(4-(methylthio)phenyl)methanone (CAS 63084-99-1)
- (E)-3-(((3-(methylthio)-1H-1,2,4-triazol-5-yl)imino)methyl)isobenzofuran-1-ol (CAS 339008-30-9)
- 6-(Methylthio)-9-phenyl-7,9-dihydro-2H-purine-2,8(3H)-dione (CAS 6276-71-7)
- 4-(Methylthio)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 863868-24-0)
- 2-(Methylthio)-4-(p-tolylamino)pyrimidine-5-carboxylicacid (CAS 1033194-60-3)
Recommended Standards
- 2-(Methylsulfanyl)-7-[(Z)-2-(thiophen-2-yl)ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 339008-37-6)
- 2,2,2-Triphenylethanol (CAS 896-32-2)
- 2-(Methylsulfanyl)-4-phenoxythieno[3,2-d]pyrimidine (CAS 339018-88-1)
- 2,2-Dibutylpropane-1,3-diyl dicarbamate (CAS 25451-44-9)
- 3-(2-Fluorophenoxy)propanenitrile (CAS 111140-91-1)
- 1-(6-Chlorobenzo[d]thiazol-2-yl)guanidine (CAS 50739-43-0)
- 4-(Difluoromethyl)bicyclo[2.2.2]Octane-1-carboxylic acid (CAS 1257397-59-3)
- Temozolomide Impurity 21 (CAS CATO-C4X-135321)
- 2-Chloroacetylbutyrolactone (CAS 393781-54-9)
- tert-Butyl (3,3,3-trifluoropropyl)carbamate (CAS 1384428-84-5)
- 1172556-47-6 2-Ethyl-4-(4-methoxyphenyl)pyrimidine-5-carboxylic acid 9908AC C14H14N2O3 (CAS 1172556-47-6)
- 1-(3-Chlorophenyl)-1H-pyrazole-5-carbaldehyde (CAS 1269293-21-1)
- (TB-5-22)-Iododioxobis(triphenylphosphine)rhenium (CAS 86561-16-2)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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