Potassium bis(1,2-benzenediolato)(1,3-butadien-2-yl)silicate, min. 98% CAS 1021940-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1021940-25-9 |
| Molecular Formula | C16H13O4Si K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Potassium bis(1,2-benzenediolato)(1,3-butadien-2-yl)silicate, min. 98% (CAS 1021940-25-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13O4Si K. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13O4Si K |
| Molecular Weight | 336.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Recommended Standards
- (1S)-2′-[[Bis(1-methylethyl)amino]carbonyl]-5,5′,6,6′,7,7′,8,8′-octahydro[1,1′-binaphthalene]-2-carboxylic acid (CAS 2646622-03-7)
- 3-(Tributylstannyl)propan-1-ol (CAS 29346-30-3)
- 1,4-Bis(4-aminophenoxy)benzene (CAS 3491-12-1)
- tert-Butyl styrylcarbamate (CAS 38427-91-7)
- Amlodipine Impurity 103 (CAS 53901-54-5)
- 2-(Difluoromethyl)-3-hydroxy-6-(trifluoromethyl)pyridine-5-acetic acid (CAS 1805406-00-1)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
Why CATO?
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