(5E,24R)-1,3-Bis-O-(tert-Butyldimethylsilyl)-calcipotriene CAS 112849-26-0
| CAS No. | 112849-26-0 |
| Molecular Formula | C39H68O3Si2 |
| Molecular Weight | 641.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C39H68O3Si2, (5E,24R)-1,3-Bis-O-(tert-Butyldimethylsilyl)-calcipotriene contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 641.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
(5E,24R)-1,3-Bis-O-(tert-Butyldimethylsilyl)-calcipotriene (CAS 112849-26-0) is a high-purity analytical reference standard with the molecular formula C39H68O3Si2 and a molecular weight of 641.13 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (5E,24R)-1,3-Bis-O-(tert-Butyldimethylsilyl)-calcipotriene 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.
Physical & Chemical Properties
| Molecular Formula | C39H68O3Si2 |
| Molecular Weight | 641.13 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Recommended Standards
- BMS-1166 (CAS 1818314-88-3)
- (1S,4S,E)-4-((1R,3aS,7aR,E)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldimethylsilyloxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-1-cyclopropylpent-2-en-1-ol (CAS 134523-61-8)
- 1,3-Dibenzyl-4-(((tert-butyldimethylsilyl)oxy)methyl)-5-(6-hydroxy-1-((triethylsilyl)oxy)hexyl)imidazolidin-2-one (CAS 1796891-26-3)
- (1R,4R,E)-4-((1R,3aS,7aR,E)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldimethylsilyloxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-1-cyclopropylpent-2-en-1-ol (CAS 910133-34-5)
- 3-Cinnamamidopropanoic acid (CAS 261179-02-6)
- (E)-{[4-(benzylsulfanyl)-3-nitrophenyl]methylidene}[(4-nitrophenyl)methoxy]amine 12D-037S 303996-26-1 (CAS 303996-26-1)
- Capromorelin (CAS 193273-66-4)
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