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