Bis(3-methoxyphenyl) 9H-fluorene-2,7-disulfonate CAS 302904-40-1
| CAS No. | 302904-40-1 |
| Molecular Formula | C27H22O8S2 |
| Molecular Weight | 538.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Bis(3-methoxyphenyl) 9H-fluorene-2,7-disulfonate (CAS 302904-40-1), molecular formula C27H22O8S2 and molecular weight 538.59 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Bis(3-methoxyphenyl) 9H-fluorene-2,7-disulfonate (C27H22O8S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 538.59 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Bis(3-methoxyphenyl) 9H-fluorene-2,7-disulfonate 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 | C27H22O8S2 |
| Molecular Weight | 538.59 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 2 |
Related Bis Standards
- Bis(4-methoxyphenyl) 9H-fluorene-2,7-disulfonate (CAS 302904-39-8)
- 1-(4-Methoxyphenyl)-1,1-diphenyl-5,8,11,14-tetraoxa-2-azaheptadecan-17-oic acid (CAS 1263047-37-5)
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- N-(4-Methoxyphenyl)-5-(2-{[(4-methoxyphenyl)carbamoyl]carbonyl}-1H-pyrrol-1-yl)-1-phenyl-1H-pyrazole-4-carboxamide (CAS 477709-20-9)
- 1-(2-Methoxyphenyl)-4-{[6-(4-methylbenzenesulfonyl)-4H,5H,6H-[1,3]thiazolo[4,5-e]indol-2-yl]methyl}piperazine (CAS 551930-60-0)
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Recommended Standards
- Benzene, 1,1'-oxybis[3-(3-phenoxyphenoxy)- (CAS 3705-62-2)
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- endo-BCN-PEG4-NHS ester (CAS 2252422-32-3)
- 5'-(4-Carboxyphenyl)-2'-(hexyloxy)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylicacid (CAS 1774401-33-0)
- 2-(4-Chloropent-4-en-1-yl)-1,3-dioxane (CAS 1314964-37-8)
- Carbamic acid, N,N′-[(3-aminopropyl)carbonimidoyl]bis-, C,C′-bis(1,1-dimethylethyl) ester (CAS 214151-16-3)
- Methyl 2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfonyl}-3-(dimethylamino)prop-2-enoate (CAS 1823194-70-2)
- 1-(3-(Trimethylsilyl)prop-2-yn-1-yl)cyclohexan-1-ol (CAS 79015-63-7)
- 1-(2-Chloro-6-fluorobenzyl)-4-(chloromethyl)-1H-1,2,3-triazole (CAS 1250762-96-9)
- Benzo[b]thiophene-3-thiol (CAS 17402-89-0)
- N-(dibenzo[b,d]furan-4-ylmethyl)propan-2-amine hydrochloride (CAS 886505-06-2)
- 5-(Difluoromethyl)-3,6-difluoropyridine-2-sulfonamide (CAS 1805243-61-1)
- 4-Chloro-N-(3-fluoro-2-methylphenyl)benzamide (CAS 528844-84-0)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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