1,1'-Binaphthalene-2,2'-disulfonic acid CAS 122361-59-5
| CAS No. | 122361-59-5 |
| Molecular Formula | C20H14O6S2 |
| Molecular Weight | 414.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H14O6S2, 1,1'-Binaphthalene-2,2'-disulfonic acid contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 414.45 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).
1,1'-Binaphthalene-2,2'-disulfonic acid (CAS 122361-59-5), molecular formula C20H14O6S2 and molecular weight 414.45 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,1'-Binaphthalene-2,2'-disulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H14O6S2 |
| Molecular Weight | 414.45 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1991 |
| Sulfur Atoms | 2 |
Related Binaphthalene Standards
- (1S)-[1,1'-Binaphthalene]-2,2'-disulfonic acid (CAS 852127-05-0)
- (R)-[1,1'-BInaphthalene]-3,3'-dicarboxylicacid,2,2'-dimethoxy- (CAS 35216-66-1)
- [1,1′-Binaphthalene]-2-carboxylic acid,2′-[(diethylamino)carbonyl]-,(S)- (CAS 130104-15-3)
- (R)-1,1'-Binaphthalene-2,2'-sulfonimide (CAS 1187629-41-9)
- (S)-1,1'-Binaphthalene-2,2'-sulfonimide (CAS 1245748-66-6)
- (R)-[1,1'-Binaphthalene]-2,2'-diyl dimethanesulfonate (CAS 871231-48-0)
- (S)-[2,2'-Binaphthalene]-1,1'-diyl dimethanesulfonate (CAS 871231-47-9)
- 1,1′-Binaphthalene, 5,5′,6,6′,7,7′,8,8′-octahydro-2,2′-bis(methoxymethoxy)-, (1R)- (CAS 791616-66-5)
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- N-(2-fluorobenzyl)-1-(pyridin-3-yl)methanamine (CAS 500221-74-9)
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- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
Why CATO?
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