Synonym(s): Ubiquitin-Activating Enzyme E1 Inhibitor, PYR-41 Formula: C17H13N3O7 3H2O Formula weight: 425.40 CAS Number: 418805-02-4 Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H317 Toxic if swallowed. May cause an allergic skin reaction. Precautionary Statements: …