3,3,3,3-Tetramethyl-2,2,3,3-tetrahydro-1,1-spirobi[indene]-6,6-diol CAS 1568-80-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1568-80-5 |
| Molecular Formula | C21H24O2 |
| Molecular Weight | 308.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3,3,3-Tetramethyl-2,2,3,3-tetrahydro-1,1-spirobi[indene]-6,6-diol (CAS 1568-80-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H24O2. Molecular weight: 308.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H24O2 |
| Molecular Weight | 308.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Tetramethyl Standards
- (R)-3,3,3',3'-tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 2244617-79-4)
- (S)-3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 2244617-80-7)
- 2,2,3,3-Tetramethyl-4,7,10,13-tetraoxa-3-silapentadecan-15-ol (CAS 134179-40-1)
- 1-Acetyl-2,2,5,5-tetramethyl-3-pyrroline-3-carboxylic acid N-hydroxysuccinimide ester (CAS 1076198-74-7)
- 2,2,4,4-Tetramethyl-3,8,11,14-tetraoxa-2,4-disilapentadecane (CAS 17065-99-5)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-naphthoic acid (CAS 1073353-77-1)
- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)piperidin-2-one (CAS 1350755-62-2)
- 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-4-carbaldehyde (CAS 1040424-52-9)
Recommended Standards
- 2-(2-(4-Octylphenoxy)ethoxy)acetic acid (CAS 154826-10-5)
- (3S,3aS,5aS,6R,9aS,9bS)-Dodecahydro-3-hydroxy-3a,6-dimethyl-7-oxo-1H-benz[e]indene-6-propanoic Acid 1759-35-9 17|A-Hydroxy-5-oxo-A-nor-3,5-secoandrostan-3-oic Acid 3,5-Seco-A-norandrostan-17|A-ol-5-on-3-oic Acid 4-Nor-3,5-seco-5-oxo-17|A-hydroxyandrostan-3-oic Acid [3S-(3|A,3a|A,5a|A,6|A,9a|A,9b|A)]-Dodecahydro-3-hydroxy-3a,6-dimethyl-7-oxo-1H-benz[e]indene-6-propanoic Acid (CAS 1759-35-9)
- 5-(4-(1-Hydroxypropyl)-2,5-dimethylphenoxy)-2,2-dimethylpentanoic acid (CAS 1477561-10-6)
- Robenidine (CAS 25875-51-8)
- 7-Phenyl-2,3-dihydro-1H-indole (CAS 92199-07-0)
- 2-(methoxymethyl)-4-(piperidin-3-yl)pyrimidine (CAS 914299-49-3)
- 1-(2-Bromopyridin-4-yl)-N,N-dimethylpiperidin-4-amine (CAS 1779133-76-4)
- Methyl 2-(Morpholin-4-yl)propanoate (CAS 110073-17-1)
- Gefitinib Impurity 86 (CAS CATO-C4X-111786)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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