(R)-3,3'-Bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol CAS 756491-51-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 756491-51-7 |
| Molecular Formula | C34H26O4 |
| Molecular Weight | 498.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(R)-3,3'-Bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol (CAS 756491-51-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C34H26O4. Molecular weight: 498.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C34H26O4 |
| Molecular Weight | 498.57 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Recommended Standards
- (4aS,6R,7S,7aR)-6-[4-[[(1S)-2,3-Dihydro-1H-inden-1-yl]amino]-7H-pyrrolo[2,3-d]pyrimidin-7-yl]hexahydro-2-(4-methoxyphenyl)-cyclopenta-1,3-dioxin-7-ol (CAS 905580-87-2)
- 1-(Tert-butyl) 2-methyl (2R,5S)-5-((benzyloxy)((benzyloxy)carbonyl)amino)piperidine-1,2-dicarboxylate (CAS 2387564-25-0)
- Acebutolol Hydrochloride - Impurity H (Freebase) (CAS 1329613-31-1)
- 1,2,3,4-Tetra-O-acetyl-6-deoxy-6-fluoro-D-galactopyranose (CAS 155488-15-6)
- 6-Bromo-3-methoxypyrazine-2-carbaldehyde (CAS 2639836-46-5)
- (5-Fluoro-2-pivalamidophenyl)boronic acid (CAS 925207-17-6)
- 7,9-Dimethyl-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one (CAS 886367-24-4)
- 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one (CAS 54346-27-9)
- 2-[1-(3-aminophenyl)-N-methylformamido]acetamide (CAS 1096822-46-6)
- D-Ala35-Tirzepatide (CAS CATO-CPTD788904)
Why CATO?
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