((4S,5S)-2-Methyl-2-phenyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) CAS 127696-04-2
| CAS No. | 127696-04-2 |
| Molecular Formula | C36H32O4 |
| Molecular Weight | 528.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), ((4S,5S)-2-Methyl-2-phenyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) 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.
((4S,5S)-2-Methyl-2-phenyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) (CAS 127696-04-2), molecular formula C36H32O4 and molecular weight 528.64 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, ((4S,5S)-2-Methyl-2-phenyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) (C36H32O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 528.64 g/mol, it falls into the moderately-high-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C36H32O4 |
| Molecular Weight | 528.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Recommended Standards
- ((3-(Allyloxy)propane-1,2-diyl)bis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate) (CAS 114719-15-2)
- Dihydrochlamydocin (CAS 157618-75-2)
- (4R,5R)-2-Methyl-α,α,α',α',2-pentaphenyl-1,3-dioxolane-4,5-dimethanol (CAS 109306-21-0)
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- Suvorexant impurity 25 (CAS CATO-C4X-181225)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
Why CATO?
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