(S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid CAS 42167-04-4
| CAS No. | 42167-04-4 |
| Molecular Formula | C22H14O6 |
| Molecular Weight | 374.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic 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.
(S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 42167-04-4), molecular formula C22H14O6 and molecular weight 374.34 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (C22H14O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C22H14O6 |
| Molecular Weight | 374.34 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
Related S Standards
- 2,2'-Dihydroxy-[1,1'-binaphthalene]-4,4'-dicarboxylic acid (CAS 1206478-00-3)
- 3,5-dihydroxy-3,4,5,7-tetramethoxyflavone (CAS 14290-57-4)
- 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one (CAS 14585-04-7)
- (R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 18531-92-5)
- 1,1'-Dihydroxy-3,3'-dimethyl-[2,2'-binaphthalene]-5,5',8,8'-tetraone (CAS 89475-31-0)
- 2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 47568-49-0)
- 4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde (CAS 2761020-02-2)
- 4,4'-Dihydroxy-7,7'-dimethyl-[1,1'-binaphthalene]-5,5',8,8'-tetraone (CAS 33927-59-2)
Recommended Standards
- 2-[(3,4-Difluorophenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775440-91-9)
- 2-(2-(3,4,5-Trimethoxybenzoyl)hydrazine-1-carbonyl)benzoic acid (CAS 356526-74-4)
- 4,4'-(3-Oxo-1,3-dihydroisobenzofuran-1,1-diyl)dibenzoic acid (CAS 7535-16-2)
- Kaempferol Di-O-methoxymethyl Ether (CAS 1329801-99-1)
- 2-propylmorpholine (CAS 89855-03-8)
- 1-(3-Bromophenyl)ethylamine Hydrochloride (CAS 90151-46-5)
- 6,7-Diethoxy-3,4-dihydroisoquinoline (CAS 53009-11-3)
- (3R)-5-Oxo-3-[(triethylsilyl)oxy]-1-cyclopentene-1-heptanoic Acid Methyl Ester (CAS 118456-54-5)
- 3-(2-Methylpyrimidin-4-yl)benzonitrile (CAS 879072-98-7)
- 3-(Perfluoro-5-methylhexyl)-2-hydroxypropylacrylate (CAS 16083-75-3)
- Iohexol EP Impurity O (CAS CATO-C4X-166411)
- 2-(Difluoromethyl)-5-fluoro-3-nitropyridine (CAS 1805005-58-6)
- 6-Methyl-2H-pyran-2,4(3H)-dione (CAS 541-98-0)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com