Spermine(BHHB) Product Catalog # Size Price (USD) Quantity Spermine(BHHB)291907-500MG500 mgPlease InquirePlease InquireSpermine(BHHB)291907-1G1 gPlease InquirePlease InquireSpermine(BHHB)291907-5G5 gPlease InquirePlease Inquire Description Synonym: N1,N12-di-Boc-spermine CAS #: 140652-55-7 Molecular Formula: C20H42N4O4 Molecular Weight: 402.6