Spiro[fluorene-9,9'-xanthene]-3',6'-diol CAS 4081-00-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4081-00-9 |
| Molecular Formula | C25H16O3 |
| Molecular Weight | 364.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[fluorene-9,9'-xanthene]-3',6'-diol (CAS 4081-00-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H16O3. Molecular weight: 364.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H16O3 |
| Molecular Weight | 364.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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.) | 1958 |
Related Spiro Standards
- SPiro[1,3-dioxolane-2,3′-[1,2,4]metheno[3H]cyclobuta[cd]pentalen]-5′(1′H)-one, 2′,5′a-dibromohexahydro- (CAS 25867-84-9)
- SPIRO[1,3-DIOXOLANE-2,9’-[9H]FLUORENE]-4,5-DICARBOXYLIC ACID DIETHYL ESTER (CAS 129178-60-5)
- Spiro[3H-2-benzopyran-3,5’(3’aH)-[1,3]dioxolo[4,5-g]isoquinoline], 1,4,7’,8’-tetrahydro-7,8-dimethoxy-6’-methyl- (CAS 87264-55-9)
- Spiro[fluorene-9,9'-xanthen]-2-ylboronic acid (CAS 1799644-51-1)
- Spiro[fluorene-9,9'-xanthen]-4-ylboronic acid (CAS 2244281-69-2)
- Spiro[fluorene-9,9'-xanthene]-2',7'-dicarbonitrile (CAS 152480-82-5)
- Spiro[benzo[c]fluorene-7,9'-xanthene] (CAS 1639407-50-3)
- 2-((1'H-Spiro[cyclohexane-1,2'-quinazolin]-4'-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 893787-58-1)
Recommended Standards
- N-(4-Methoxyphenyl)-1-[(4-methoxyphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 400077-72-7)
- Tert-butyl2-(4-(benzyloxy)-1-ethoxy-1,3-dioxobutan-2-ylidene)hydrazine-1-carboxylate (CAS 1674398-09-4)
- N-(4-(4-Fluorophenyl)-2,2-dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-7-yl)methanesulfonamide (CAS 945966-46-1)
- (2E)-3-(4-Ethoxyphenyl)-1-phenylprop-2-en-1-one (CAS 32111-71-0)
- 4-(N-Boc-N-Propylamino)phenylboronic acid (CAS 2377608-47-2)
- 4-Pyridin-2-yl-1,2,5-oxadiazol-3-amine (CAS 890095-62-2)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)nonanoic acid (CAS 1262886-66-7)
- 1-(HYDROXYMETHYL)CYCLOPROPYL BENZOATE (CAS 1245931-97-8)
- Mal-Amido-PEG4-Boc (CAS 1415800-35-9)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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 13829788188 / jacky.chen@cato-chem.com