5,5'-(9H-Fluorene-2,7-diyl)diisophthalic acid CAS 1424351-59-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1424351-59-6 |
| Molecular Formula | C29H18O8 |
| Molecular Weight | 494.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-(9H-Fluorene-2,7-diyl)diisophthalic acid (CAS 1424351-59-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H18O8. Molecular weight: 494.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H18O8 |
| Molecular Weight | 494.45 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related H Standards
- 2,2'-((((9H-fluorene-9,9-diyl)bis(2-methyl-4,1-phenylene))bis(oxy))bis(methylene))bis(oxirane) (CAS 114205-89-9)
- 2,2'-(((9H-Fluorene-9,9-diyl)bis(2-methyl-4,1-phenylene))bis(oxy))diethanol (CAS 156326-34-0)
- 2,2'-((9H-Fluorene-2,7-disulfonyl)bis(azanediyl))bis(3-methylbutanoic acid) (CAS 307941-68-0)
- 4,4'-(((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))dianiline (CAS 47823-88-1)
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- 4,4'-(((9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(azanediyl))bis(4-oxobutanoic acid) (CAS 457922-91-7)
Recommended Standards
- 3'-Hydroxy-6'-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 129787-63-9)
- 2',5'-Diethoxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1459128-79-0)
- Fluorescein mono-β-D-galactopyranoside (CAS 102286-67-9)
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- 5-Methyl-4-(4-nitrophenyl)pyrazolidin-3-one (CAS 13051-13-3)
- Milrinone Impurity 17 (CAS CATO-C4X-109117)
- 3-Methoxy-2-(trifluoromethyl)benzaldehyde (CAS 1214384-89-0)
- N’-cyclopropyl(dodecylsulfanyl)methanimidamide hydrobromide (CAS 1235441-79-8)
- 2-(2,4,6-Trichloropyrimidin-5-yl)acetaldehyde (CAS 1245898-27-4)
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