Cyanine 2, SE Product Catalog # Size Price (USD) Quantity Cyanine 2, SE240314-100MG100 mg$850.00 - Cyanine 2, SE-100MG quantity + Cyanine 2, SE240314-500MG500 mg$1,900.00 - Cyanine 2, SE-500MG quantity + Cyanine 2, SE240314-1G1 g$2,700.00 - Cyanine 2, SE-1G quantity + Add to cart Description Synonyms: Equivalent of Cy2 NHS Ester CAS #: 186205-33-4 Molecular Formula: C29H30IN3O6 Molecular Weight: 643.5