| CAS No. | 1111638-52-8 |
| Molecular Formula | C20H16N4O3S2 |
| Molecular Weight | 424.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 424.50 g/mol gives 2-(2-(Methylthio)pyrimidin-4-yl)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-(Methylthio)pyrimidin-4-yl)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)ethan-1-one (CAS 1111638-52-8), molecular formula C20H16N4O3S2 and molecular weight 424.50 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-(2-(Methylthio)pyrimidin-4-yl)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 424.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-(2-(Methylthio)pyrimidin-4-yl)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)ethan-1-one 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.
| Molecular Formula | C20H16N4O3S2 |
| Molecular Weight | 424.50 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |