Methotrexate — reference standards & impurities

(2,4-diaminopteridin-6-yl)methanol Hydrochloride

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CAT. No.M160009 CAS No.73978-41-3 Mol. F.C7H8N6O.HCl Mol. W.228.64 g/mol Stock Status Custom Synthesis

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(4S)-4-amino-5-(dimethylamino)-5-oxopentanoic acid

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CAT. No.M160025 CAS No.87733-70-8 Mol. F.C7H14N2O3 Mol. W.174.21 g/mol Stock Status Custom Synthesis

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(R)-diethyl-2-(4-(methyl(nitroso)amino)benzamido)pentanedioate

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CAT. No.M160048 CAS No.NA Mol. F.C17H23N3O6 Mol. W.365.38 g/mol Stock Status Custom Synthesis

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(R)-Dimethyl 2-aminopentanedioate

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CAT. No.M160023 CAS No.16422-27-8 Mol. F.C7H13NO4 Mol. W.175.2 g/mol Stock Status Custom Synthesis

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(S)-1-ethyl 5-methyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate

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CAT. No.M160059 CAS No.NA Mol. F.C23H28N8O5 Mol. W.496.52 g/mol Stock Status Custom Synthesis

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(S)-2-(4-(N-((2,4-diaminopteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid

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CAT. No.M160049 CAS No.NA Mol. F.C20H20N8O6 Mol. W.468.42 g/mol Stock Status Custom Synthesis

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(S)-5-ethyl 1-methyl2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate

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CAT. No.M160060 CAS No.NA Mol. F.C23H28N8O5 Mol. W.496.52 g/mol Stock Status Custom Synthesis

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2,4-Diamino-6-(hydroxymethyl)pteridine Hydrochloride

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CAT. No.M160009B CAS No.73978-41-3 Mol. F.C7H9ClN6O Mol. W.228.64 g/mol Stock Status Custom Synthesis

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2,4-Diamino-6-methylpteridine

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CAT. No.M160029 CAS No.708-74-7 Mol. F.C7H8N6 Mol. W.176.18 g/mol Stock Status Instock

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2,4-diamino-7-methylpteridine hemi hydrochloride

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CAT. No.M160036 CAS No.NA Mol. F.C7H8N6.1/2(HCl) Mol. W.194.41 g/mol Stock Status Custom Synthesis

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2,4-Diaminopteridine

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CAT. No.M160028 CAS No.1127-93-1 Mol. F.C6H6N6 Mol. W.162.15 g/mol Stock Status Instock

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4-Aminobenzoyl D-Glutamic Acid

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CAT. No.M160056 CAS No.5959-18-2 Mol. F.C12H14N2O5 Mol. W.266.25 g/mol Stock Status Custom Synthesis

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4-Aminodeoxopteroic Acid

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CAT. No.M160017 CAS No.36093-85-3 Mol. F.C14H13N7O2 Mol. W.311.3 g/mol Stock Status Custom Synthesis

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D-glutamic Acid Diethyl Ester

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CAT. No.M160024 CAS No.13107-55-6 Mol. F.C9H17NO4 Mol. W.203.24 g/mol Stock Status Custom Synthesis

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Diethyl 2-(4-aminobenzamido)pentanedioate

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CAT. No.M160031 CAS No.NA Mol. F.C16H22N2O5 Mol. W.322.36g/mol Stock Status Custom Synthesis

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Diethyl(2S)-2-((2-(methylamino)benzoyl)amino)pentanedioate

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CAT. No.M160033 CAS No.NA Mol. F.C17H24N2O5 Mol. W.336.38 g/mol Stock Status Custom Synthesis

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Diethyl(2S)-2-((3-(methylamino)benzoyl)amino)pentanedioate

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CAT. No.M160034 CAS No.NA Mol. F.C17H24N2O5 Mol. W.336.38 g/mol Stock Status Custom Synthesis

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Diethyl(2S)-2-((4-(ethylamino)benzoyl)amino)pentanedioate

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CAT. No.M160032 CAS No.NA Mol. F.C18H26N2O5 Mol. W.350.41 g/mol Stock Status Custom Synthesis

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Dimethyl Glutamate

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CAT. No.M160022 CAS No.6525-53-7 Mol. F.C7H13NO4 Mol. W.175.18 g/mol Stock Status Custom Synthesis

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Folic Acid Impurity 24

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CAT. No.M160021 CAS No.712-29-8 Mol. F.C7H7N5O2 Mol. W.193.16 g/mol Stock Status Custom Synthesis

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Methotrexate 7-Hydroxy

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CAT. No.M160026 CAS No.5939-37-7 Mol. F.C20H22N8O6 Mol. W.470.44 g/mol Stock Status Custom Synthesis

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Methotrexate Diethyl Ester

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CAT. No.M160061 CAS No.43170-88-3 Mol. F.C24H30N8O5 Mol. W.510.55 g/mol Stock Status Custom Synthesis

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Methotrexate

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CAT. No.M160000B CAS No.59-05-2 Mol. F.C20H22N8O5 Mol. W.454.44 g/mol Stock Status Under Synthesis

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Methotrexate -13C,D3

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CAT. No.M160037 CAS No.1786417-03-5 Mol. F.C1913CH19D3N8O5 Mol. W.458.45 g/mol Stock Status Instock

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