4,4''-Bi(9,9'-spirobi[fluorene]) CAS 1161009-90-0
| CAS No. | 1161009-90-0 |
| Molecular Formula | C50H30 |
| Molecular Weight | 630.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4''-Bi(9,9'-spirobi[fluorene]) (CAS 1161009-90-0) is a high-purity analytical reference standard with the molecular formula C50H30 and a molecular weight of 630.77 g/mol.
Based on its molecular formula C50H30, 4,4''-Bi(9,9'-spirobi[fluorene]) contains a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 630.77 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.
CATO manufactures 4,4''-Bi(9,9'-spirobi[fluorene]) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C50H30 |
| Molecular Weight | 630.77 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 36.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Bi Standards
- 9,9'-Spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester (CAS 676168-63-1)
- 9,9′-Spirobi[9H-fluorene]-2,2′-diamine, N2,N2,N2′,N2′-tetrakis(4-methylphenyl)- (CAS 515833-76-8)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1207176-84-8)
- 9,9'-Spirobi[fluoren]-2-yldiphenylphosphine oxide (CAS 1125547-88-7)
- 9,9'-Spirobi[fluoren]-4-yldiphenylphosphine oxide (CAS 1314243-72-5)
- Di(9,9'-spirobi[fluoren]-2-yl)(phenyl)phosphine oxide (CAS 824426-27-9)
- 4,4',4",4"'-(9,9'-Spirobi[fluorene]-2,2',7,7'-tetrayl)tetrabenzoic acid (CAS 1350363-07-3)
- 2-(9,9'-Spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1161009-89-7)
Recommended Standards
- (R)-1-((3AR,5R,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)-2-(trityloxy)ethan-1-ol (CAS 21090-86-8)
- 2-(1-Naphthyl-5-(4-biphenylyl))-1,3,4-oxadiazole (CAS 1248-45-9)
- 2-Hydroxy Atorvastatin tert-Butyl Ester (CAS 1346599-89-0)
- Sulfo-cyanine3 carboxylic acid, 95% (CAS 146368-13-0)
- 4-(3-Bromophenyl)-3h,4h,5h,6h,7h-imidazo[4,5-c]pyridine-6-carboxylic acid (CAS 1214049-28-1)
- 5-Acetyl-2-amino-4-methylthiophene-3-carbonitrile (CAS 327066-20-6)
- 4-(aminomethyl)-2-bromophenol hydrobromide (CAS 63491-89-4)
- 2,2'-((Ethane-1,2-diylbis(azanylylidene))bis(ethan-1-yl-1-ylidene))diphenol (CAS 5464-60-8)
- 3-chloro-4-(pyridin-3-ylmethoxy)aniline (CAS 848134-24-7)
- Fmoc-Thr(tBu)-OSu (CAS 75530-95-9)
- 2-(3-Fluoro-4-methoxyphenyl)piperidine (CAS 901917-84-8)
- 2-thia-6-aza-spiro[3.3]heptane2,2-dioxide hydrochloride (CAS 1427388-39-3)
- 3-Methyl-2-nitro-3H-imidazo[4,5-F]quinoline-2-14CDISCONTINUED (CAS 161406-39-9)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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 18665070610 / Nicole.chen@cato-chem.com