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Sigma-Aldrich/Methotrexate Related Compound B/1414025-75MG/75MG
CASNumber54-62-6
EmpiricalFormula(HillNotation)C19H20N8O5
MolecularWeight440.41
BeilsteinRegistryNumber69045
PubChemSubstanceID329750411
Properties:
RelatedCategories | AnalyticalStandards,Analytical/Chromatography,Pharmacopeia&MetrologicalInstitutesStandards,USPStandards,USPStandardsL-M |
Description:
Generaldescription
ThisproductisprovidedasdeliveredandspecifiedbytheissuingPharmacopoeia.Allinformationprovidedinsupportofthisproduct,includingSDSandanyproductinformationleafletshavebeendevelopedandissuedundertheAuthorityoftheissuingPharmacopoeia.
ForfurtherinformationandsupportpleasegotothewebsiteoftheissuingPharmacopoeia.
Linkage
Morepotent,butmoretoxic,thanmethotrexate.
OtherNotes
Salesrestrictionsmayapply.
USPissuedSDScanbefoundhere.
Biochem/physiolActions
FolicacidantagoNIST.Aminopterinisactivelytransportedintocellsbythefolatetransporter.Inthecell,itisconvertedtoahighmolecularweightpolyglutamatemetabolitebyfolylpolyglutamatesynthasethat,inturn,bindstodihydrofolatereductaseandinhibitsitsactivity.Aminopterin-polyglutamateisdegradedintracellularlybyγ-glutamylhydrolase.