1,3-Dimethyl-5-(methylsulfanyl)-1h-pyrazole-4-carbonitrile CAS 1340235-17-7
| CAS No. | 1340235-17-7 |
| Molecular Formula | C7H9N3S |
| Molecular Weight | 167.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,3-Dimethyl-5-(methylsulfanyl)-1h-pyrazole-4-carbonitrile (CAS 1340235-17-7) is a high-purity analytical reference standard with the molecular formula C7H9N3S and a molecular weight of 167.23 g/mol.
1,3-Dimethyl-5-(methylsulfanyl)-1h-pyrazole-4-carbonitrile (C7H9N3S) contains a nitrile group, sulfur-containing functionality, 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H9N3S |
| Molecular Weight | 167.23 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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- 7-Bromo-4-chloro-5H-pyrrolo[3,2-d]pyrimidin-2-amine (CAS 1311275-31-6)
- Methyl 3-(3,4-dichlorophenyl)-3-oxopropanoate (CAS 677326-67-9)
- 2-(Dimethylamino)-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one (CAS 88127-22-4)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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