Store › SiR-azide 1mg SiR-azide 1mg $838.00 Quantity: Add To Cart Added! SiR-azide is a clickable derivative of SiR. It reacts with alkynes and allows the preparation of custom SiR-conjugates SiR-azide is a clickable derivative of SiR. It reacts with alkynes and allows the preparation of custom SiR-conjugates