4,4'-Dihydroxy-7,7'-dimethyl-[1,1'-binaphthalene]-5,5',8,8'-tetraone CAS 33927-59-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33927-59-2 |
| Molecular Formula | C22H14O6 |
| Molecular Weight | 374.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-Dihydroxy-7,7'-dimethyl-[1,1'-binaphthalene]-5,5',8,8'-tetraone (CAS 33927-59-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H14O6. Molecular weight: 374.34 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1966 |
Related Dihydroxy 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)
- (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 42167-04-4)
- 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)
Recommended Standards
- 5,4'-Dihydroxy-6,7,3',5'-tetramethoxyflavone (CAS 83133-17-9)
- 4,4''-Diformyl-[1,1':4',1''-terphenyl]-2',5'-dicarboxylic acid (CAS 2409130-70-5)
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]oxypentanoic acid (CAS 2169266-67-3)
- 6-Chloro-4-hydroxy-N-(4-methylthiazol-2-yl)quinoline-3-carboxamide (CAS 955314-73-5)
- (E)-2-(3-Chlorostyryl)-6,7-dimethoxyquinazolin-4(3H)-one (CAS 922189-26-2)
- (4-(Tert-butyl)phenyl)(4-propylphenyl)methanone (CAS 951887-89-1)
- 2-chloro-5-prop-1-ynyl-pyridine-4-carbaldehyde (CAS 2596611-87-7)
- 2-(1,3-thiazol-2-yl)piperidine (CAS 526183-08-4)
- 3-vinylpropionic acid 4-Pentensaeure 4-penten-1-oic acid 4-pentenic acid 4-pentenoic acid 591-80-0 Allylessigsaeure CHEBI:35936 Delta(4)-pentenoic acid allyl acetic acid allylacetic acid pent-4-enoic acid (CAS 591-80-0)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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 13829788188 / jacky.chen@cato-chem.com