Spermine-DOTA Product Catalog # Size Price (USD) Quantity Spermine-DOTA330416-100MG100 mgPlease InquirePlease InquireSpermine-DOTA330416-500MG500 mgPlease InquirePlease InquireSpermine-DOTA330416-1G1 gPlease InquirePlease InquireSpermine-DOTA330416-5G5 gPlease InquirePlease Inquire Description Molecular Formula: C26H52N8O7 Molecular Weight: 588.8