2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile CAS 135215-38-2
Purity 97%+In StockPharmaceutical Standards
| 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
2-(1,1-Dioxido-2-phenyl-6-(p-tolyl)-4H-thiopyran-4-ylidene)malononitrile (CAS 135215-38-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H14N2O2S. Molecular weight: 358.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 |
Related Dioxido Standards
- 328559-44-0 2-[(2E)-1-(1,1-Dioxido-1,2-benzothiazol-3-yl)-2-(4-methoxybenzylidene)hydrazinyl]ethanol MFCD01821800 (CAS 328559-44-0)
- 2-((11,11-Dioxido-3H-benzo[5,6][1,4]oxathiino[3,2-e]indol-1-yl)methylene)hydrazine-1-carboxamide (CAS 371199-44-9)
- 3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1-methyl-2(1H)-quinolinone 303776-75-2 (CAS 303776-75-2)
- (1,1-Dioxido-4-phenyl-4H-benzo[b][1,4]thiazin-2-yl)(pyrrolidin-1-yl)methanone (CAS 1189695-20-2)
- 5-(1,1-Dioxido-3-oxoisothiazolidin-2-yl)-2-ethoxybenzenesulfonyl chloride (CAS 937700-27-1)
- 4-((1,1-Dioxido-2h-naphtho[1,8-cd]isothiazol-2-yl)methyl)benzohydrazide (CAS 379254-45-2)
- N-(1,1-Dioxido-1,2-benzisothiazol-3-yl)-4-methylbenzenesulfonohydrazide (CAS 13255-93-1)
- 3-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)amino]phenyl 2-chloroacetate (CAS 958697-63-7)
Recommended Standards
- Methyl 2-[bis(tertbutoxycarbonyl)-amino]thiazole-5-carboxylate (CAS 1311278-00-8)
- 3,5-Di-tert-butyl-4-hydroxyphenyl diethyl phosphate (CAS 14156-45-7)
- Capecitabine Impurity 27 (CAS 13007-50-6)
- 3-Bromo-5-(dimethylamino)-1-methylpyrazin-2(1H)-one (CAS 1820674-57-4)
- 6-methoxy-1,1-dimethyl-2,3-dihydro-1H-indene (CAS 5530-41-6)
- 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)
- Neuropeptide K, porcine (CAS 106441-70-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com