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Thank you very much for your interest in our products. All prices listed on our website are ex-works, Germany, and may attract customs duties when imported.
You may/will be contacted by the shipping company for additional documentation that may be required by the US Customs for clearance.
We offer you the convenience of buying through a local partner, Peptide Solutions LLC who can import the shipment as well as prepay the customs duties and brokerage on your behalf and provide the convenience of a domestic sale.
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Diazacyyclononynes (DACNs) are versatile tools for the so-called 2nd generation click reaction, a metal-free strain-promoted azide-alkyne cycloaddition (SPAAC) reaction. DACNs are characterized by high reactivity and stability, both thermally and chemically, as well as high selectivity towards ynophiles. As no metal catalyst is required, DACNs can be employed for copper-free bioorthogonal click chemistry. Additionally, the two endocyclic nitrogens in DACN may serve as additional attachment points for further conjugation, rendering the compound functionally versatile.
