2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile CAS 135215-38-2
| CAS No. | 135215-38-2 |
| Molecular Formula | C21H14N2O2S |
| Molecular Weight | 358.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 358.41 g/mol gives 2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile (CAS 135215-38-2), molecular formula C21H14N2O2S and molecular weight 358.41 g/mol, is a CATO reference standard with documented purity and traceability.
2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile (C21H14N2O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, 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.
CATO manufactures 2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H14N2O2S |
| Molecular Weight | 358.41 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Capecitabine Impurity 27 (CAS 13007-50-6)
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- Minodronic Impurity 12 (CAS CATO-C4X-124112)
- Cis-4-hydroxytetrahydro-2H-selenopyran-2-yl 2-(4-chlorophenyl)-2-methylpropanoate (CAS 77270-34-9)
- (7,8-Dihydro-5H-pyrano[4,3-d]pyrimidin-2-yl)methanamine (CAS 1554237-14-7)
- (4Z)-4-[[4-Chloro-3-(Trifluoromethyl)Phenyl]Hydrazinylidene]-N-(4-Methylphenyl)-3-Oxonaphthalene-2-Carboxamide (CAS 72319-13-2)
- 5-((Trimethylsilyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 905581-04-6)
- Pacific Blue Succinimidyl Ester (CAS 215868-33-0)
- Neuropeptide K, porcine (CAS 106441-70-7)
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