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6-SIMA phosphoramidite[(3’,6’-dipivaloyl-2’,7’-diphenyl-4,7-dichlorofluoresceinyl)-6-carboxamidohexyl]-1-O- (2-cyanoethyl)-(N,N-diisopropyl)-phosphoramidite Catalogue number: 303-55 SIMA is a full spectral analog of HEX in all fluorescent applications, but has significantly improved stability. It has a higher quantum yield and molecular extinction than HEX. SIMA is also more versatile in oligo synthesis especially due to improved stability during deprotection and simple purification of labeled oligos Formula:: C58H64Cl2N3O10P Molecular Weight: 1065.0 Purity: > 95% Diluent: Anhydrous Acetonitrile Coupling: No changes needed from standard method recommended by synthesizer manufacturer. Deprotection: No changes needed from standard method recommended by synthesizer manufacturer. SIMA labeled oligos are stable at 55°C in ammonium hydroxide (up to 6-8 hours) and can be deprotected with AMA. Storage: Freezer storage, -10 to -30°C, dry. Stability in Solution: 2-3 days, <90% efficient after 4 days Store labeled oligo in the dark, either dry or in a neutral aqueous media at -20°C. Do not store crude fluorescently labeled oligonucleotides in ammonia. Price and Ordering Information |
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