DOTA-NHS ester Product Catalog # Size Price (USD) Quantity DOTA-NHS ester330407-100MG100 mgPlease InquirePlease InquireDOTA-NHS ester330407-500MG500 mgPlease InquirePlease InquireDOTA-NHS ester330407-1G1 gPlease InquirePlease InquireDOTA-NHS ester330407-5G5 gPlease InquirePlease Inquire Description CAS #: 170908-81-3 Molecular Formula: C20H31N5O10 Molecular Weight: 501.5