NOTA-NHS ester Product Catalog # Size Price (USD) Quantity NOTA-NHS ester331404-100MG100 mg$700.00 - NOTA-NHS ester-100mg quantity + NOTA-NHS ester331404-500MG500 mg$1,500.00 - NOTA-NHS ester-500mg quantity + NOTA-NHS ester331404-1G1 g$2,250.00 - NOTA-NHS ester-1g quantity + NOTA-NHS ester331404-5G5 g$5,500.00 - NOTA-NHS ester-5g quantity + Add to cart Description CAS #: 1338231-09-6 Molecular Formula: C16H24N4O8 Molecular Weight: 400.4