Synonym(s): Rifampicin Formula: C43H58N4O12 Formula weight: 822.94 CAS Number: 13292-46-1 Harmonized Tariff Code:  2941.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …