Spermine-NOTA Product Catalog # Size Price (USD) Quantity Spermine-NOTA331409-100MG100 mgPlease InquirePlease InquireSpermine-NOTA331409-500MG500 mgPlease InquirePlease InquireSpermine-NOTA331409-1G1 gPlease InquirePlease InquireSpermine-NOTA331409-5G5 gPlease InquirePlease Inquire Description Molecular Formula: C22H45N7O5 Molecular Weight: 487.7