NO2A-Butyne Product Catalog # Size Price (USD) Quantity NO2A-Butyne331415-100MG100 mg$600.00 - NO2A-Butyne-100mg quantity + NO2A-Butyne331415-500MG500 mg$900.00 - NO2A-Butyne-500mg quantity + NO2A-Butyne331415-1G1 g$1,250.00 - NO2A-Butyne-1g quantity + NO2A-Butyne331415-5G5 g$2,500.00 - NO2A-Butyne-5g quantity + Add to cart Description CAS #: 2089035-56-1 Molecular Formula: C16H26N4O5 Molecular Weight: 354.4