(S)-3,3'-Dimethoxy-1,1'-binaphthalene-2,2'-diol CAS 151377-90-1
| CAS No. | 151377-90-1 |
| Molecular Formula | C22H18O4 |
| Molecular Weight | 346.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-3,3'-Dimethoxy-1,1'-binaphthalene-2,2'-diol (CAS 151377-90-1), molecular formula C22H18O4 and molecular weight 346.38 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H18O4, (S)-3,3'-Dimethoxy-1,1'-binaphthalene-2,2'-diol contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 346.38 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C22H18O4 |
| Molecular Weight | 346.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
Related S Standards
- 2',5'-dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 111759-27-4)
- 7,7'-Dimethoxy-[1,1'-binaphthalene]-2,2'-diol (CAS 128702-28-3)
- 6,6'-Dimethoxy-[1,1'-binaphthalene]-2,2'-diol (CAS 145372-06-1)
- 3,3'-Dimethoxy-[1,1'-binaphthalene]-2,2'-diol (CAS 18515-12-3)
- (R)-3,3'-Dimethoxy-1,1'-bi-2-naphthol (CAS 63250-86-2)
- 4,4''-Dimethoxy-[1,1':4',1''-terphenyl]-2',5'-dicarbaldehyde (CAS 916651-12-2)
- (2,5-Dimethoxy-1,4-phenylene)bis(diethylphosphine oxide), 99+% Redox shuttle ANL-RS51 (CAS 1802015-49-1)
- 2,6-Dimethoxy-N-(3-(2-methylhexan-2-yl)isoxazol-5-yl)benzamide (CAS 82558-59-6)
Recommended Standards
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