Aminopterin (CAS 54-62-6) Sigma-Aldrich

Aminopterin molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 8 grades and pack sizes of Aminopterin (CAS 54-62-6). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	54-62-6
Molecular formula	C19H20N8O5
Molecular weight	440.42 g/mol
IUPAC name	(2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
Synonyms	4-Aminofolic acid · 4-Amino-PGA · Aminopterine · APGA · Aminopteridine · 4-Aminopteroylglutamic acid

Safety & Hazards (GHS) Danger

Acute toxic

Health hazard

H300 Fatal if swallowed
H360 May damage fertility or the unborn child

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	AMINOPTERIN (50X) HYBRI-MAX GAMMA-	A5159-10VL	Request Quote
Sigma	AMINOPTERIN BIOREAGENT, SUITABLE FOR CE	A3411-100MG A3411-10MG A3411-25MG	Request Quote
Sigma	AMINOPTERIN, POWDER	A1784-100MG A1784-1G A1784-50MG	Request Quote
Sigma	AMINOPTERIN, READY MADE SOLUTION 50 MG/	SBR00016-1ML	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.