United States Pharmacopeia (USP) Reference Standard Synonym(s): Sodium hydrogen carbonate Empirical Formula: CHNaO₃ Formula Weight: 84.01 Linear Formula: NaHCO₃ MDL Number: MFCD00003528 Beilstein Registry Number: 4153970

pharmaceutical secondary standard; traceable to USP and PhEur RTECS No.: PV6210000 RIDADR: NA 1993 / PGIII