(S)-2-Hydroxy-2’-[(R)-hydroxy(o-tolyl)methyl]-[1,1’-binaphthalene] CAS 1281985-77-0
| CAS No. | 1281985-77-0 |
| Molecular Formula | C28H22O2 |
| Molecular Weight | 390.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-2-Hydroxy-2’-[(R)-hydroxy(o-tolyl)methyl]-[1,1’-binaphthalene] 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.
(S)-2-Hydroxy-2’-[(R)-hydroxy(o-tolyl)methyl]-[1,1’-binaphthalene] (CAS 1281985-77-0), molecular formula C28H22O2 and molecular weight 390.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-2-Hydroxy-2’-[(R)-hydroxy(o-tolyl)methyl]-[1,1’-binaphthalene] (C28H22O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 390.47 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).
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 | C28H22O2 |
| Molecular Weight | 390.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
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- 1-(2,2,2-Trifluoroacetamido)cycloheptane-1-carboxylic acid (CAS 1099040-65-9)
- 6-Dehydroestrone (CAS 2208-12-0)
- 3-(4-sec-Butyl-phenyl)-2-mercapto-3H-quinazolin-4-one (CAS 554442-51-2)
- 3-(4-Chlorophenyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 1026093-70-8)
- 2-[4-(3,4-Dichlorobenzyloxy)-phenylethyl Methanesulfonate (CAS 188928-10-1)
- 2-Chloro-1-(8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridin-3-yl)-2,2-difluoroethan-1-one (CAS 1823183-01-2)
- 6-(piperazin-1-yl)pyridine-2-carbonitrile (CAS 909413-61-2)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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