O6-Benzyl-N2,3-etheno-2-phenoxythioxomethyl-3,5-O-[tetrakis(isopropyl)-1,3-disiloxanediyl] Guanosine CAS 148437-93-8
| CAS No. | 148437-93-8 |
| Molecular Formula | C38H51N5O7SSi2 |
| Molecular Weight | 778.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
O6-Benzyl-N2,3-etheno-2-phenoxythioxomethyl-3,5-O-[tetrakis(isopropyl)-1,3-disiloxanediyl] Guanosine (CAS 148437-93-8), molecular formula C38H51N5O7SSi2 and molecular weight 778.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, O6-Benzyl-N2,3-etheno-2-phenoxythioxomethyl-3,5-O-[tetrakis(isopropyl)-1,3-disiloxanediyl] Guanosine (C38H51N5O7SSi2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 778.08 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), O6-Benzyl-N2,3-etheno-2-phenoxythioxomethyl-3,5-O-[tetrakis(isopropyl)-1,3-disiloxanediyl] Guanosine 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 | C38H51N5O7SSi2 |
| Molecular Weight | 778.08 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1999 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
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