| CAS No. | 956521-95-2 |
| Molecular Formula | C23H27N5O2S |
| Molecular Weight | 437.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 2-(2-(((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)(methyl)amino)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide 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.
2-(2-(((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)(methyl)amino)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 956521-95-2), molecular formula C23H27N5O2S and molecular weight 437.56 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-(((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)(methyl)amino)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 437.56 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.
| Molecular Formula | C23H27N5O2S |
| Molecular Weight | 437.56 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |