(S)-2,2',3,3'-Tetrahydro-6,6'-bis(2,4,6-trimethylphenyl)-1,1'-spirobi[1H-indene]-7,7'-diol CAS 1621066-75-8
| CAS No. | 1621066-75-8 |
| Molecular Formula | C35H36O2 |
| Molecular Weight | 488.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-2,2',3,3'-Tetrahydro-6,6'-bis(2,4,6-trimethylphenyl)-1,1'-spirobi[1H-indene]-7,7'-diol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(S)-2,2',3,3'-Tetrahydro-6,6'-bis(2,4,6-trimethylphenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1621066-75-8) is a high-purity analytical reference standard with the molecular formula C35H36O2 and a molecular weight of 488.66 g/mol.
Based on its molecular formula C35H36O2, (S)-2,2',3,3'-Tetrahydro-6,6'-bis(2,4,6-trimethylphenyl)-1,1'-spirobi[1H-indene]-7,7'-diol contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 488.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C35H36O2 |
| Molecular Weight | 488.66 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related S Standards
- (R)-2,2',3,3'-Tetrahydro-6,6'-bis(2,4,6-trimethylphenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1435948-37-0)
- 2-[(Tetrahydro-2H-pyran-2-yl)oxy]propane-1,3-diyl bis(toluene-4-sulphonate) (CAS 150196-32-0)
- (R)-2,2',3,3'-Tetrahydro-6,6'-bis(4-nitrophenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1352810-33-3)
- (R)-1,2,3,4-Tetrahydro-6-methoxy-1-[[4-methoxy-3-(phenylmethoxy)phenyl]methyl]-7-(phenylmethoxy)isoquinoline (CAS 47792-50-7)
- trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate (CAS 57405-00-2)
- (S)-2,2',3,3'-Tetrahydro-6,6'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1258326-97-4)
- (R)-2,2',3,3'-Tetrahydro-6,6'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1435948-36-9)
- (1S)-2,2',3,3'-Tetrahydro-4,4'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 833455-22-4)
Recommended Standards
- 1-(2-Hydroxy-4-nitrophenyl)-3-octadecylpyrrolidine-2,5-dione (CAS 63966-94-9)
- 6,12-Bis(2,4,6-trimethylphenyl)indeno[1,2-b]fluorene (CAS 1374154-86-5)
- Cyclobutyl 2-(morpholinomethyl)phenyl ketone (CAS 898751-33-2)
- Polygalic acid (CAS 1260-04-4)
- 3-Amino-2,2-dimethyl-3-oxopropanoic acid (CAS 116070-49-6)
- 3-(1H-1,2,4-Triazol-1-yl)-5-(trifluoromethyl)aniline (CAS 1220630-55-6)
- Pergolide Impurity 7 (CAS 57202-76-3)
- Ethyl 2,6-Dichloro-5-fluoropyrimidine-4-carboxylate (CAS 1266238-63-4)
- 5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxamide (CAS 6401-98-5)
- 1-Ethyl-6-fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1315345-29-9)
- Fmoc-(3S)-1,2,3,4-tetrahydroisoquinoline-3-acetic acid (CAS 270062-99-2)
- 5-Chloro-4-hydrazinyl-N,N-dimethylpyridine-3-sulfonamide (CAS 1352498-60-2)
- Tert-butyl (R)-2-butylpiperazine-1-carboxylate hydrochloride (CAS 1217463-36-9)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788692)
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