(S)-2,2',3,3'-Tetrahydro-6,6'-bis[4-(trifluoromethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol CAS 1621066-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1621066-71-4 |
| Molecular Formula | C31H22F6O2 |
| Molecular Weight | 540.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2,2',3,3'-Tetrahydro-6,6'-bis[4-(trifluoromethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1621066-71-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C31H22F6O2. Molecular weight: 540.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C31H22F6O2 |
| Molecular Weight | 540.50 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
Related S Standards
- (R)-2,2',3,3'-Tetrahydro-6,6'-bis[4-(trifluoromethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1435948-34-7)
- Tetrahydro-11-deoxy Cortisol 21-O-beta-D-Glucuronide (CAS 56162-38-0)
- Tetrahydro-11-deoxy Cortisol 3-O-beta-D-Glucuronide (CAS 56162-40-4)
- (11aS)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-bis(4-nitrophenyl)-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-oxide (CAS 1412439-84-9)
- 11-∆9-Tetrahydro Cannabinol-9-carboxylic Acid β-D-Glucuronide (CAS 84376-63-6)
- 11-Nor-∆9-Tetrahydro Cannabinol-9-carboxylate Acyl-β-D-glucuronide (CAS 76448-35-6)
- (R)-2,2',3,3'-Tetrahydro-1,1'-spirobi[indene]-7,7'-diyl bis(trifluoromethanesulfonate) (CAS 528521-72-4)
- (11aS)-10,11,12,13-Tetrahydro-N,N-bis[(1S)-1-(2-methoxyphenyl)ethyl]diindeno[7,1-de:1′,7′-fg][1,3,2]dioxaphosphocin-5-amine (CAS 1642865-92-6)
Recommended Standards
- 2-((3-(4-Bromophenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(o-tolyl)acetamide (CAS 476484-30-7)
- Azilsartan Impurity 33 (CAS 1417576-00-1)
- Dotinurad Impurity 263 (CAS CATO-C4X-2494263)
- Tert-butyl 1-(((benzyloxy)carbonyl)amino)-5-azaspiro[2.4]Heptane-5-carboxylate (CAS 1713163-29-1)
- 5-Phenyl-1,2,4-triazine-3-thiol (CAS 15969-28-5)
- 3-(2-Chloroethyl)-3,4-dihydroquinazolin-4-one (CAS 2940-68-3)
- 3-Azabicyclo[3.2.0]Heptane-2-carboxylic acid (CAS 740038-61-3)
- 6-Methyl-2-((pyridin-3-ylmethyl)amino)pyrimidin-4(3h)-one (CAS 786660-73-9)
- Methyl (2S,4S)-4-(4-ethylphenoxy)-2-pyrrolidinecarboxylate (CAS 774221-35-1)
- Semaglutide impurity 01 (CAS 1998701-31-7)
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