Molecular Formula C7H16N4O2 • C2H4O2, Purity ≥99%, Formula Weight 248.3, Synonyms: L-NG-monomethyl Arginine acetate; A relatively non-selective inhibitor of all NOS isoforms with Ki values 0.18, 0.4, and 6 M for nNOs (rat), eNOS (human), and iNOS (mouse), respectively.