42-O-tert-Butyldimethylsilyloxyethyl-d4 Rapamycin CAS 1356839-88-7
| CAS No. | 1356839-88-7 |
| Molecular Formula | - |
| Molecular Weight | 1076.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 42-O-tert-Butyldimethylsilyloxyethyl-d4 Rapamycin 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.
42-O-tert-Butyldimethylsilyloxyethyl-d4 Rapamycin (CAS 1356839-88-7), molecular formula C59H93D4NO14Si and molecular weight 1076.51 g/mol, is a CATO reference standard with documented purity and traceability.
42-O-tert-Butyldimethylsilyloxyethyl-d4 Rapamycin (C59H93D4NO14Si) contains deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C59H93D4NO14Si |
| Molecular Weight | 1076.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
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Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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