Bis(4-methoxyphenyl) 9H-fluorene-2,7-disulfonate CAS 302904-39-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 302904-39-8 |
| Molecular Formula | C27H22O8S2 |
| Molecular Weight | 538.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(4-methoxyphenyl) 9H-fluorene-2,7-disulfonate (CAS 302904-39-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H22O8S2. Molecular weight: 538.59 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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(3-methoxyphenyl) 9H-fluorene-2,7-disulfonate (CAS 302904-40-1)
- 1-(4-Methoxyphenyl)-1,1-diphenyl-5,8,11,14-tetraoxa-2-azaheptadecan-17-oic acid (CAS 1263047-37-5)
- (3-Methoxyphenyl)[(4-methylphenyl)sulfonyl]acetonitrile (CAS 394655-17-5)
- 4-Methoxyphenyl 3-4-6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside (CAS 138906-41-9)
- Methyl 4-(2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamido)benzoate (CAS 477329-17-2)
- 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)
- 4-{2-[1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-(4-nitrophenyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid (CAS 314293-25-9)
Recommended Standards
- endo-BCN-PEG4-NHS ester (CAS 2252422-32-3)
- Benzene, 1,1'-oxybis[3-(3-phenoxyphenoxy)- (CAS 3705-62-2)
- Ethyl 2-(6-iodo-2-methyl-4-oxoquinazolin-3(4H)-yl)acetate (CAS 55480-22-3)
- 2-({[(tert-butoxy)carbonyl]amino}methyl)pentanoic acid (CAS 1490249-28-9)
- (2-Methylbenzoyl)methionine (CAS 65054-80-0)
- 2,7-Dimethylbenz[a]anthracene (CAS 857535-92-3)
- 5-(5-Chloro-2-methoxybenzenesulfonyl)-3-(trifluoromethyl)-5H,6H,6aH,7H,8H,9H,10H-pyrido[1,2-a]quinoxaline (CAS 866041-05-6)
- Prizidilol (CAS 59010-44-5)
- N-(quinolin-2-ylmethyl)ethanamine (CAS 680591-03-1)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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