pharmaceutical secondary standard; traceable to USP and PhEur
Synonym(s): Methotrexate; (+)-Amethopterin; 4-Amino-10-methylfolic acid; 4-Amino-N10-methylpteroyl-L-glutamic acid; Antifolan; MTX; Methylaminopterin
Empirical Formula: C20H22N8O5
Formula Weight: 454.44
Linear Formula: C20H22N8O5
MDL Number: MFCD00064370
Beilstein Registry Number: 70669
Signal Word: Danger
Hazard statements: H301-H319
Precautionary statements: P301 + P310-P305 + P351 + P338
Hazard Codes (Europe) : T
Risk Statements (Europe): 25-36
Safety Statements (Europe): 26-36
WGK Germany: 3