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sulfo-Cyanine7 tetrazine

貨號 數量 價格 交貨時間
153E0 1 mg $125 現貨
253E0 5 mg $325 現貨
453E0 25 mg $850 現貨
553E0 50 mg $1490 現貨
653E0 100 mg $1990 現貨
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sulfo-Cyanine7 is a near infrared, water soluble fluorophore. This derivative contains methyltetrazine group for the fast, efficient, and metal free conjugation with cycloalkenes in a reaction called TCO ligation.

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General properties

Appearance: dark green solid
Mass spec M+ increment: 863.3
Molecular weight: 930.19
Molecular formula: C47H52N7KO7S2
Solubility: good in DMF, DMSO, water
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 750
ε, L⋅mol−1⋅cm−1: 240600
Emission maximum, nm: 773
Fluorescence quantum yield: 0.24
CF260: 0.04
CF280: 0.04
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