SIMA-dT phosphoramidite, 6-isomer
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
2950-100mg | 100 mg | $180 | in stock | |
2950-250mg | 250 mg | $390 | in stock | |
2950-1g | 1 g | $1120 | in stock | |
2950-5g | 5 g | $4520 | in stock | |
2950-10g | 10 g | $8650 | in stock |
SIMA-dT phosphoramidite is used to introduce SIMA in the sequence during oligonucleotide synthesis, usually as a substitute for the native dT linkage.
SIMA is known to be much more stable than HEX in basic media thus deprotection in harsh conditions using ammonium hydroxide (up to 6-8 hours at 55 °C) is possible as well as AMA at room temperature or at 65 °C.
Recommendations for using the reagent:
Coupling: 6 minutes coupling time recommended.
Deprotection: standard method recommended, can be deprotected with AMA (1:1 mixture of concentrated aqueous ammonium hydroxide / 40% aqueous methylamine).
Absorption and emission spectra of SIMA
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SIMA phosphoramidite, 6-isomer
A phosphoramidite for the synthesis of SIMA-labeled oligonucleotides. SIMA is a more stable analog of HEX.
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Phosphate CPG 500 v2
Modified CPG for 3'-phosphorylation of an oligonucleotide, pore size of 500 Å.Cyanine5.5 azide
Far red / near infrared fluorescent Cyanine5.5 dye derivative for click chemistry.General properties
Appearance: | white powder |
Molecular weight: | 1646.67 |
Molecular formula: | C91H95Cl2N6O17P |
Solubility: | Good solubility in acetonitrile and DCM |
Quality control: | NMR 1H and HPLC-MS (95+%) |
Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 531 |
ε, L⋅mol−1⋅cm−1: | 92300 |
Emission maximum, nm: | 555 |
Fluorescence quantum yield: | 0.63 |
CF260: | 0.57 |
CF280: | 0.18 |
Oligo synthesis details
Diluent: | acetonitrile |
Coupling conditions: | standard coupling, identical to normal nucleobases |
Deprotection conditions: | identical to protected nucleobases |
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