Spiro[fluorene-9,9'-xanthene] CAS 159-62-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159-62-6 |
| Molecular Formula | C25H16O |
| Molecular Weight | 332.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Spiro[fluorene-9,9'-xanthene] (CAS 159-62-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H16O. Molecular weight: 332.39 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H16O |
| Molecular Weight | 332.39 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 | 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.) | 1957 |
Related Spiro Standards
- 10H-Spiro[acridine-9,9'-fluorene] (CAS 92638-81-8)
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- Benzyl spiro[indoline-3,4'-piperidine]-1-carboxylate (CAS 167483-91-2)
- Benzyl spiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 184289-85-8)
- Spiro[4H-cyclohepta[2,1-a:3,4-a′]dinaphthalene-4,1′-[2,4]cyclopentadiene], 3,5-dihydro-, (S)- (CAS 125443-42-7)
- Spiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] (CAS 171856-25-0)
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Recommended Standards
- 2-Benzyl 6-tert-butyl 2,6-diazaspiro[3.3]heptane-2,6-dicarboxylate (CAS 1542158-69-9)
- 1-(1-Boc-4-piperidyl)benzo[d][1,3]oxazin-2(4H)-one (CAS 162045-30-9)
- N-[2-(N-Boc-N-N-propylamino)ethyl]phthalimide, 97% (CAS 152192-98-8)
- 3-(Hydroxyimino)methylphenylboronic acid (CAS 938443-32-4)
- N'3-{[6-chloro-4-(trifluoromethyl)-3-pyridyl]carbonyl}-6-chloro-4-(trifluoromethyl)pyridine-3-carbohydrazide (CAS 680214-02-2)
- 8-Nitroguanine (CAS 168701-80-2)
- 3-(Isopropylamino)azetidine-3-carboxamide dihydrochloride (CAS 686344-57-0)
- N,N-Dimethyl-N'-(2-methylbenzyl)-1,2-ethanediamine dihydrochloride (CAS 1049802-79-0)
- 2-Chloro-1,1,1-triethoxyethane 51076-95-0 C1288 Orthochloroacetic Acid Triethyl Ester Triethyl Orthochloroacetate (CAS 51076-95-0)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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