Molecular Formula C33H45N15O24P4 (free acid), Purity ≥95% by AX-HPLC, Molecular Weight 1159.60, CleanCap Reagent AG (3' OMe) is TriLink’s proprietary co-transcriptional capping reagent for in vitro transcription of 5’ capped mRNA resulting in a Cap 1 structure. CleanCap has shown to provide up to 98% capping efficiency1. CleanCap AG (3' OMe) includes the 5' N7-Methyl-3'-O-Methylguanosine commonly found in mRNA capped using ARCA, whereas CleanCap AG (N-7113) has a naturally occurring 5' N7-Methylguanosine structure.