4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol CAS 681481-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 681481-91-4 |
| Molecular Formula | C17H14Br2O2 |
| Molecular Weight | 410.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol (CAS 681481-91-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H14Br2O2. Molecular weight: 410.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H14Br2O2 |
| Molecular Weight | 410.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- (R)-6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1286189-15-8)
- (S)-6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1621066-74-7)
- 6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1807777-59-8)
- (R)-4,4'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 681481-94-7)
- (S)-4,4'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 636601-27-9)
- 8,10-Dibromo-5,6-dihydro-2,4-dimethyl-4H-benzo[b]furo[3′,2′:6,7]cyclohepta[1,2-d]furan (CAS 220542-74-5)
- 2,2'-((2,5-Dibromo-1,4-phenylene)bis(oxy))bis(N,N-diethylethan-1-amine) (CAS 233753-19-0)
- (3,4-Dibromo-3,4,4-trifluorobutanesulfonyl)benzene (CAS 478247-75-5)
Recommended Standards
- 3,9-Dibromoperylene (CAS 56752-35-3)
- 3,10-Dibromoperylene (CAS 85514-20-1)
- 1H,1H,11H,11H-Perfluoro-3,6,9-trioxaundecane-1,11-diol (CAS 330562-44-2)
- 2-Methoxy-5,5-dimethyl-1,3-dioxane (CAS 78319-58-1)
- N-(4-Amino-2-Hydroxyphenyl)-2,2,3,3,4,4,4-Heptafluorobutyramide (CAS 847-51-8)
- Methyl 2-(5-bromo-2-fluoropyridin-3-yl)acetate (CAS 1807156-89-3)
- 4-Acetyl-N-(2-isopropylphenyl)benzenesulfonamide (CAS 1284730-41-1)
- 2-([1,1'-Biphenyl]-4-yl)benzo[d]oxazole-6-carbaldehyde (CAS 67563-40-0)
- 2-(Pyridin-3-yl)thiazol-4-ol (CAS 751448-15-4)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
Why CATO?
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