7-((2-Ethoxyethyl)thio)-1-(2-methoxyphenyl)-4-methyl-1H-pyrazolo[3,4-d]pyridazine CAS 1203391-62-1
| CAS No. | 1203391-62-1 |
| Molecular Formula | C17H20N4O2S |
| Molecular Weight | 344.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-((2-Ethoxyethyl)thio)-1-(2-methoxyphenyl)-4-methyl-1H-pyrazolo[3,4-d]pyridazine 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.
7-((2-Ethoxyethyl)thio)-1-(2-methoxyphenyl)-4-methyl-1H-pyrazolo[3,4-d]pyridazine (CAS 1203391-62-1), molecular formula C17H20N4O2S and molecular weight 344.43 g/mol, is a CATO reference standard with documented purity and traceability.
7-((2-Ethoxyethyl)thio)-1-(2-methoxyphenyl)-4-methyl-1H-pyrazolo[3,4-d]pyridazine (C17H20N4O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
Physical & Chemical Properties
| Molecular Formula | C17H20N4O2S |
| Molecular Weight | 344.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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