(S)-[1,1'-Binaphthalene]-2,2'-diyl dibenzoate CAS 291772-40-2
| CAS No. | 291772-40-2 |
| Molecular Formula | C34H22O4 |
| Molecular Weight | 494.54 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.
CATO supplies (S)-[1,1'-Binaphthalene]-2,2'-diyl dibenzoate (CAS 291772-40-2), a certified reference material (molecular formula C34H22O4, MW 494.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C34H22O4, (S)-[1,1'-Binaphthalene]-2,2'-diyl dibenzoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 494.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C34H22O4 |
| Molecular Weight | 494.54 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related S Standards
- (R)-(+)-1,1'-Binaphthalene-2,2'-diyl-S,S-bis(N,N-dimethylcarbamate) (CAS 147923-23-7)
- (1R)-[1,1'-Binaphthalene]-2,2'-disulfonyl dichloride (CAS 1187629-43-1)
- (1S)-[1,1'-Binaphthalene]-2,2'-disulfonyl dichloride (CAS 1226773-87-0)
- (R)-[1,1'-Binaphthalene]-2,2'-diyl dimethanesulfonate (CAS 871231-48-0)
- (S)-[2,2'-Binaphthalene]-1,1'-diyl dimethanesulfonate (CAS 871231-47-9)
- (R)-[1,1'-Binaphthalene]-2,2'-diyl bis(trifluoromethanesulfonate) (CAS 126613-06-7)
- (S)-[1,1'-Binaphthalene]-2,2'-diyl bis(trifluoromethanesulfonate) (CAS 128544-05-8)
- 1,1'-Binaphthalene-2,2'-disulfonic acid (CAS 122361-59-5)
Recommended Standards
- (1R)-3,3'-Diphenyl[1,1'-binaphthalene]-2,2'-dicarboxylic acid (CAS 950889-62-0)
- 1,1'-Diethyl-[3,3'-bidibenzo[cd,g]indazole]-6,6'(1H,1'H)-dione (CAS 4203-77-4)
- (1S)-3,3'-Diphenyl[1,1'-binaphthalene]-2,2'-dicarboxylic acid (CAS 1791455-27-0)
- 1,5-Dihydro-2-imino-1-[2-(4-methoxyphenyl)ethyl]-10-methyl-5-oxo-N-(3-pyridinylmethyl)-2H-dipyrido[1,2-a:2′,3′-d]pyrimidine-3-carboxamide (CAS 840498-67-1)
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