9,9'-(Butane-1,4-diyl)bis(9H-fluorene-9-carboxylic acid) CAS 1881321-31-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1881321-31-8 |
| Molecular Formula | C32H26O4 |
| Molecular Weight | 474.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9,9'-(Butane-1,4-diyl)bis(9H-fluorene-9-carboxylic acid) (CAS 1881321-31-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C32H26O4. Molecular weight: 474.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C32H26O4 |
| Molecular Weight | 474.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Butane Standards
- 1,1'-(Butane-1,4-diyl)bis(3-(3-isothiocyanatophenyl)thiourea) (CAS 711019-86-2)
- Butane-1,4-diylbis(diphenylphosphineoxide) (CAS 4151-27-3)
- Butane-1,4-diyl didodecanoate (CAS 624-07-7)
- 1,1'-(Butane-1,1-diylbis(azanediyl))bis(anthracene-9,10-dione) (CAS 88960-29-6)
- 8,8'-(Butane-1,4-diyl)bis(1,3-dimethyl-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one) (CAS 6466-30-4)
- 4,4'-(Butane-2,2-diyl)bis((heptyloxy)benzene) (CAS 1843235-41-5)
- Butane-1,4-diyl bis(1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate) (CAS 2899-87-8)
- Butane-1,4-diyl ditetradecanoate (CAS 26719-58-4)
Recommended Standards
- Methyl 3,4-bis((4-methylphenyl)sulfonamido)benzoate (CAS 175204-19-0)
- (E)-N-(1-((Cyanamido(quinolin-5-ylamino)methylene)amino)-2,2-dimethylpropyl)-2-(3,4-dimethoxyphenyl)acetamide (CAS 861393-28-4)
- 1,4-Dimethyldibenzo[b,d]furan (CAS 17058-06-9)
- 3-(2-Fluoroethoxy)benzaldehyde (CAS 132838-25-6)
- 3-Benzyl-6-chloro-5-cyclopropylpyrimidine-2,4(1H,3H)-dione (CAS 2294229-94-8)
- 3-(4-Fluorophenyl)-2,1-benzoxazole-5-carboxylic acid (CAS 950271-35-9)
- 2-(2-Chloropyridin-3-yl)-1-(4-methylbenzyl)-1H-benzo[d]imidazole (CAS 338411-40-8)
- 4-(Chloromethyl)-2,5-difluoropyridine (CAS 1227574-69-7)
- 1-methyl-1-(2,2,2-trifluoroethyl)hydrazine hydrochloride (CAS 2031258-63-4)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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