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Pharmaceutical Reference Standards / Impurity Standards

Pemetrexed

Pemetrexed

CAT. No.P110000
CAS. No.137281-23-3
Mol. F.C20H21N5O6
Mol. W.427.41 g/mol
Stock Status:Instock

Pemetrexed Disodium heptahydrate

Pemetrexed Disodium heptahydrate

CAT. No.P110000A
CAS. No.357166-29-1
Mol. F.C20H33N5Na2O13
Mol. W.597.5 g/mol
Stock Status:Instock

Pemetrexed Disodium Heptahydrate Reference Standard

Pemetrexed Disodium Heptahydrate Reference Standard

CAT. No.P110000B
CAS. No.357166-29-1
Mol. F.C20H19N5Na2O67H2O
Mol. W.597.48 g/mol
Stock Status:Please Enquire

Pemetrexed Disodium

Pemetrexed Disodium

CAT. No.P110000C
CAS. No.150399-23-8
Mol. F.C20H19N5Na2O6
Mol. W.471.37 g/mol
Stock Status:Custom Synthesis

Pemetrexed Acid

Pemetrexed Acid

CAT. No.P110001
CAS. No.137281-39-1
Mol. F.C15H14N4O3
Mol. W.298.30 g/mol
Stock Status:Instock

Pemetrexed EP Impurity A

Pemetrexed EP Impurity A

CAT. No.P110002
CAS. No.869791-42-4
Mol. F.C21H23N5O6
Mol. W.441.44 g/mol
Stock Status:Under Synthesis

Pemetrexed EP Impurity D

Pemetrexed EP Impurity D

CAT. No.P110003
CAS. No.144051-68-3
Mol. F.C25H28N6O9
Mol. W.556.52 g/mol
Stock Status:Instock

Pemetrexed EP Impurity E Disodium Salt

Pemetrexed EP Impurity E Disodium Salt

CAT. No.P110004
CAS. No.937370-10-0
Mol. F.C20H21N5O6.2Na
Mol. W.473.39 g/mol
Stock Status:Instock

Pemetrexed Keto Impurity

Pemetrexed Keto Impurity

CAT. No.P110008
CAS. No.193281-00-4
Mol. F.C20H21N5O7
Mol. W.443.41 g/mol
Stock Status:Instock

Pemetrexed Impurity 19

Pemetrexed Impurity 19

CAT. No.P110009
CAS. No.193281-05-9
Mol. F.C19H21N5O7
Mol. W.431.40 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 1 Sodium

Pemetrexed Impurity 1 Sodium

CAT. No.P110011
CAS. No.1265908-60-8
Mol. F.C21H22N5NaO6
Mol. W.463.42 g/mol
Stock Status:Custom Synthesis

Pemetrexed-1-methyl Ester Sodium

Pemetrexed-1-methyl Ester Sodium

CAT. No.P110012
CAS. No.1265908-61-9
Mol. F.C21H22N5NaO6
Mol. W.463.43 g/mol
Stock Status:Custom Synthesis

Pemetrexed Glutamide Impurity

Pemetrexed Glutamide Impurity

CAT. No.P110013
CAS. No.NA
Mol. F.C26H30N6O9
Mol. W.570.55 g/mol
Stock Status:Custom Synthesis

Pemetrexed EP Impurity B

Pemetrexed EP Impurity B

CAT. No.P110015
CAS. No.1802552-04-0
Mol. F.C40H40N10O13
Mol. W.868.82 g/mol
Stock Status:Custom Synthesis

Pemetrexed EP Impurity C

Pemetrexed EP Impurity C

CAT. No.P110016
CAS. No.1802552-16-4
Mol. F.C40H40N10O13
Mol. W.868.80 g/mol
Stock Status:Custom Synthesis

Pemetrexed EP Impurity B & C mixture (1:1)

Pemetrexed EP Impurity B & C mixture (1:1)

CAT. No.P110017
CAS. No.1644286-34-9
Mol. F.C40H40N10O13
Mol. W.868.80 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 2

Pemetrexed Impurity 2

CAT. No.P110018
CAS. No.155405-80-4
Mol. F.C16H16N4O3
Mol. W.312.32 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 33

Pemetrexed Impurity 33

CAT. No.P110021
CAS. No.106200-41-3
Mol. F.C12H14O3
Mol. W.206.24 g/mol
Stock Status:Custom Synthesis

Methyl-4-(3,3-dibromo-4-oxobutyl) benzoate

Methyl-4-(3,3-dibromo-4-oxobutyl) benzoate

CAT. No.P110022
CAS. No.1320346-37-9
Mol. F.C12H12Br2O3
Mol. W.364.03 g/mol
Stock Status:Custom Synthesis

(4-(2-(2-amino-1,5,6-trihydroxy-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[2.3-d]pyrimidine-5-yl)ethyl)benzoyl)-L-glutamic acid

(4-(2-(2-amino-1,5,6-trihydroxy-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[2.3-d]pyrimidine-5-yl)ethyl)benzoyl)-L-glutamic acid

CAT. No.P110024
CAS. No.NA
Mol. F.C20H23N5O9
Mol. W.477.42 g/mol
Stock Status:Custom Synthesis

(4-(3-(2-amino-6-formamido-4-oxo-1,4-dihydropyrimidin-5-yl)-3-oxopropyl)benzoyl)-L-glutamic acid

(4-(3-(2-amino-6-formamido-4-oxo-1,4-dihydropyrimidin-5-yl)-3-oxopropyl)benzoyl)-L-glutamic acid

CAT. No.P110025
CAS. No.NA
Mol. F.C20H21N5O8
Mol. W.459.41 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 29

Pemetrexed Impurity 29

CAT. No.P110030
CAS. No.NA
Mol. F.C18H19N5O4
Mol. W.369.37 g/mol
Stock Status:Custom Synthesis

Pemetrexed R-Isomer

Pemetrexed R-Isomer

CAT. No.P110031
CAS. No.937370-10-0
Mol. F.C20H19N5Na2O6
Mol. W.471.37 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 16

Pemetrexed Impurity 16

CAT. No.P110032
CAS. No.193265-47-3
Mol. F.C15H14N4O4
Mol. W.314.30 g/mol
Stock Status:Custom Synthesis

sodium 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate heptahydrate

sodium 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate heptahydrate

CAT. No.P110033
CAS. No.NA
Mol. F.C20H33N5Na2O13
Mol. W.597.48 g/mol
Stock Status:Custom Synthesis

(2S)-2-((4S)-4-(4-(2-(2-amino-4-oxo-4a,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-N-methyl-5-oxopentanamido)-2-methylpentanedioic acid compound with 4-methylbenzenesulfonic acid

(2S)-2-((4S)-4-(4-(2-(2-amino-4-oxo-4a,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-N-methyl-5-oxopentanamido)-2-methylpentanedioic acid compound with 4-methylbenzenesulfonic acid

CAT. No.P110034
CAS. No.NA
Mol. F.C35H42N6O12S
Mol. W.770.81 g/mol
Stock Status:Custom Synthesis

Pemetrexed Disodium Heptahydrate

Pemetrexed Disodium Heptahydrate

CAT. No.P110035
CAS. No.357166-29-1
Mol. F.C20H33N5Na2O13
Mol. W.597.48 g/mol
Stock Status:Custom Synthesis

Ketopemetrexed

Ketopemetrexed

CAT. No.P110036
CAS. No.1644287-27-3
Mol. F.C20H21N5O7
Mol. W.443.42 g/mol
Stock Status:Custom Synthesis

Pemetrexed EP Impurity E

Pemetrexed EP Impurity E

CAT. No.P110037
CAS. No.182009-04-7
Mol. F.C20H21N5O6
Mol. W.427.41 g/mol
Stock Status:Custom Synthesis

Methyl 4-(4-hydroxybutyl)benzoate

Methyl 4-(4-hydroxybutyl)benzoate

CAT. No.P110038
CAS. No.123910-88-3
Mol. F.C12H16O3
Mol. W.208.25 g/mol
Stock Status:Custom Synthesis

Methyl 4-(4-hydroxybut-1-yn-1-yl)benzoate

Methyl 4-(4-hydroxybut-1-yn-1-yl)benzoate

CAT. No.P110039
CAS. No.123910-86-1
Mol. F.C12H12O3
Mol. W.204.22 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 38

Pemetrexed Impurity 38

CAT. No.P110040
CAS. No.165049-28-5
Mol. F.C31H37N5O9S
Mol. W.655.72 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 3

Pemetrexed Impurity 3

CAT. No.P110041
CAS. No.1265908-63-1
Mol. F.C21H23N5O6
Mol. W.441.44 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 1

Pemetrexed Impurity 1

CAT. No.P110042
CAS. No.1265908-64-2
Mol. F.C21H23N5O6
Mol. W.441.44 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 28

Pemetrexed Impurity 28

CAT. No.P110043
CAS. No.1265908-58-4
Mol. F.C23H26N6O6
Mol. W.482.49 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 39

Pemetrexed Impurity 39

CAT. No.P110044
CAS. No.883553-87-5
Mol. F.C25H28N6O9
Mol. W.556.53 g/mol
Stock Status:Custom Synthesis

Sodium(2S)-2-(4-(2-(2-amino-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)Pentanedioate

Sodium(2S)-2-(4-(2-(2-amino-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)Pentanedioate

CAT. No.P110045
CAS. No.NA
Mol. F.C20H19N5Na2O7
Mol. W.487.37 g/mol
Stock Status:Custom Synthesis

Pemetrexed Glutamide Impurity D

Pemetrexed Glutamide Impurity D

CAT. No.P110046
CAS. No.NA
Mol. F.C25H37N9O9
Mol. W.607.62 g/mol
Stock Status:Custom Synthesis

Disodium Salt Heptahydrate

Disodium Salt Heptahydrate

CAT. No.P110047
CAS. No.357166-30-4
Mol. F.C20H19Na2N5O6.2.5H2O
Mol. W.516.41 g/mol
Stock Status:Instock

4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethenyl]benzoic acid

4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethenyl]benzoic acid

CAT. No.P110048
CAS. No.1839064-36-6
Mol. F.C15H12N4O3
Mol. W.296.28 g/mol
Stock Status:Custom Synthesis

Methyl-4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethenyl]benzoate

Methyl-4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethenyl]benzoate

CAT. No.P110049
CAS. No.1839064-37-7
Mol. F.C16H14N4O3
Mol. W.310.31 g/mol
Stock Status:Custom Synthesis

Methyl-4-(3-bromo-4-oxo-1-buten-1-yl)benzoate

Methyl-4-(3-bromo-4-oxo-1-buten-1-yl)benzoate

CAT. No.P110050
CAS. No.1839064-38-8
Mol. F.C12H11BrO3
Mol. W.283.12 g/mol
Stock Status:Custom Synthesis

Methyl 4-(4-oxo-1-buten-1-yl)benzoate

Methyl 4-(4-oxo-1-buten-1-yl)benzoate

CAT. No.P110051
CAS. No.1006614-56-7
Mol. F.C12H12O3
Mol. W.204.22 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 41

Pemetrexed Impurity 41

CAT. No.P110052
CAS. No.912935-56-9
Mol. F.C12H14O3
Mol. W.206.24 g/mol
Stock Status:Custom Synthesis

(S)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-ethoxy-5-oxopentanoic acid

(S)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-ethoxy-5-oxopentanoic acid

CAT. No.P110053
CAS. No.NA
Mol. F.C22H25N5O6
Mol. W.455.46 g/mol
Stock Status:Custom Synthesis

(2S,2`S)-2,2`-((4,4`-((2,2`-diamino-4,4`-dioxo-4,4`,7,7`-tetrahydro-1H,1`H-[6,6`-bipyrrolo[2,3-d]pyrimidine]-5,5`-diyl)bis(ethane-2,1-diyl))bis(benzoyl))bis(azanediyl))bis(5-ethoxy-5-oxopentanoic acid)

(2S,2`S)-2,2`-((4,4`-((2,2`-diamino-4,4`-dioxo-4,4`,7,7`-tetrahydro-1H,1`H-[6,6`-bipyrrolo[2,3-d]pyrimidine]-5,5`-diyl)bis(ethane-2,1-diyl))bis(benzoyl))bis(azanediyl))bis(5-ethoxy-5-oxopentanoic acid)

CAT. No.P110054
CAS. No.NA
Mol. F.C44H48N10O12
Mol. W.908.91 g/mol
Stock Status:Custom Synthesis

(S)-5-ethyl 1-methyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

(S)-5-ethyl 1-methyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

CAT. No.P110055
CAS. No.NA
Mol. F.C23H27N5O6
Mol. W.469.49 g/mol
Stock Status:Custom Synthesis

(S)-diethyl2-(4-(2-(2-amino-1-methyl-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

(S)-diethyl2-(4-(2-(2-amino-1-methyl-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

CAT. No.P110056
CAS. No.NA
Mol. F.C25H31N5O6
Mol. W.497.54 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 46

Pemetrexed Impurity 46

CAT. No.P110057
CAS. No.NA
Mol. F.C21H21N5O5
Mol. W.423.40 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 47

Pemetrexed Impurity 47

CAT. No.P110058
CAS. No.NA
Mol. F.C20H19N5O5
Mol. W.409.40 g/mol
Stock Status:Custom Synthesis

methyl 4-(4-oxobutan-2-yl)benzoate

methyl 4-(4-oxobutan-2-yl)benzoate

CAT. No.P110059
CAS. No.240407-05-0
Mol. F.C12H14O3
Mol. W.206.24 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 49

Pemetrexed Impurity 49

CAT. No.P110060
CAS. No.1265908-65-3
Mol. F.C28H34N6O9
Mol. W.598.60 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 50

Pemetrexed Impurity 50

CAT. No.P110061
CAS. No.1265908-62-0
Mol. F.C28H34N6O9
Mol. W.598.60 g/mol
Stock Status:Custom Synthesis

Sodium2-(4-(2-(2-amino-1,7-dinitroso-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

Sodium2-(4-(2-(2-amino-1,7-dinitroso-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

CAT. No.P110062
CAS. No.NA
Mol. F.C20H17N7Na2O8
Mol. W.529.37 g/mol
Stock Status:Custom Synthesis

Sodium2-(4-(2-(2-amino-1-nitroso-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

Sodium2-(4-(2-(2-amino-1-nitroso-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate

CAT. No.P110063
CAS. No.NA
Mol. F.C20H18N6Na2O7
Mol. W.500.37 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 54

Pemetrexed Impurity 54

CAT. No.P110064
CAS. No.NA
Mol. F.C15H15N3O4
Mol. W.301.30 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 55

Pemetrexed Impurity 55

CAT. No.P110065
CAS. No.NA
Mol. F.C20H20N4O7
Mol. W.428.40 g/mol
Stock Status:Custom Synthesis

Pemetrexed Nitroso Impurity 1

Pemetrexed Nitroso Impurity 1

CAT. No.P110066
CAS. No.NA
Mol. F.C20H20N6O7
Mol. W.456.41 g/mol
Stock Status:Custom Synthesis

Pemetrexed Nitroso Impurity 2

Pemetrexed Nitroso Impurity 2

CAT. No.P110067
CAS. No.NA
Mol. F.C20H19N7O8
Mol. W.485.40 g/mol
Stock Status:Custom Synthesis

Pemetrexed

Pemetrexed

CAT. No.P110068
CAS. No.NA
Mol. F.C20H20N6O7
Mol. W.456.40 g/mol
Stock Status:Custom Synthesis

Pemetrexed Impurity 20

Pemetrexed Impurity 20

CAT. No.P110069
CAS. No.NA
Mol. F.C20H21N5O8
Mol. W.459.41 g/mol
Stock Status:Custom Synthesis

Metabolites

Pemetrexed L-Glutamic Acid Trisodium Salt

Pemetrexed L-Glutamic Acid Trisodium Salt

CAT. No.P110014
CAS. No.1265908-59-5
Mol. F.C25H25N6Na3O9
Mol. W.622.47 g/mol
Stock Status:Instock