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Pemetrexed Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Pemetrexed, pharmacopeial and non-pharmacopeial Pemetrexed impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Pemetrexed impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Pemetrexed-related products are thoroughly characterized. Pemetrexed products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Pemetrexed Impurity 3

Picture of Pemetrexed Impurity 3
SZ CAT No:: SZ-P014012
CAS No: 1265908-63-1
Mol.F.: C21H23N5O6
Mol.Wt.: 441.4
Inv. Status: In Stock
Rel. CAS No: 1265908-61-9 (Na salt)

Pemetrexed Acid

Picture of Pemetrexed Acid
SZ CAT No:: SZ-P014026
CAS No: 137281-39-1
Mol.F.: C15H14N4O3
Mol.Wt.: 298.3
Inv. Status: In Stock
Rel. CAS No: 1007376-45-5 (Na salt)

Pemetrexed Dimethyl Ester

Picture of Pemetrexed Dimethyl Ester
SZ CAT No:: SZ-P014013
CAS No: 155405-81-5
Mol.F.: C22H25N5O6
Mol.Wt.: 455.5
Inv. Status: In Stock
Rel. CAS No: 1350616-69-1 (HCl salt)

Pemetrexed Disodium

Picture of Pemetrexed Disodium
SZ CAT No:: SZ-P014001
CAS No: 150399-23-8
Mol.F.: C20H21N5O6 : 2Na
Mol.Wt.: 427.4 : 2(23.0)
Inv. Status: In Stock
Rel. CAS No: 137281-23-3 (free base)
Rel. CAT No: SZ-P014029 ,

Pemetrexed Disodium Heptahydrate

Picture of Pemetrexed Disodium Heptahydrate
SZ CAT No:: SZ-P014036
CAS No: 357166-29-1
Mol.F.: C20H21N5O6 : 2(Na) : 7(H2O)
Mol.Wt.: 427.4 : 2(23.0) : 7(18.0)
Inv. Status: In Stock
Rel. CAS No: 137281-23-3 (free base)

Pemetrexed EP Impurity A

Picture of Pemetrexed EP Impurity A
SZ CAT No:: SZ-P014002
CAS No: 869791-42-4
Mol.F.: C21H23N5O6
Mol.Wt.: 441.4
Inv. Status: In Stock
Rel. CAS No: 2243918-27-4 (Na salt)

Pemetrexed EP Impurity B

Picture of Pemetrexed EP Impurity B
SZ CAT No:: SZ-P014003
CAS No: 1802552-04-0
Mol.F.: C40H40N10O13
Mol.Wt.: 868.8
Inv. Status: In Stock

Pemetrexed EP Impurity C

Picture of Pemetrexed EP Impurity C
SZ CAT No:: SZ-P014004
CAS No: 1802552-16-4
Mol.F.: C40H40N10O13
Mol.Wt.: 868.8
Inv. Status: In Stock

Pemetrexed EP Impurity D Dihydrate

Picture of Pemetrexed EP Impurity D Dihydrate
SZ CAT No:: SZ-P014031
CAS No: NA
Mol.F.: C25H28N6O9 : 2(H2O)
Mol.Wt.: 556.5 : 2(18.0)
Inv. Status: In Stock

Pemetrexed EP Impurity E

Picture of Pemetrexed EP Impurity E
SZ CAT No:: SZ-P014006
CAS No: 182009-04-7
Mol.F.: C20H21N5O6
Mol.Wt.: 427.4
Inv. Status: In Stock
Rel. CAS No: 937370-10-0 (Disodium salt)

Pemetrexed EP Impurity E Hydrate

Picture of Pemetrexed EP Impurity E Hydrate
SZ CAT No:: SZ-P014032
CAS No: NA
Mol.F.: C20H21N5O6 : H2O
Mol.Wt.: 427.4 : 18.0
Inv. Status: In Stock

Pemetrexed Glutamide Impurity

Picture of Pemetrexed Glutamide Impurity
SZ CAT No:: SZ-P014009
CAS No: NA
Mol.F.: C26H30N6O9
Mol.Wt.: 570.6
Inv. Status: In Stock

Pemetrexed Impurity 1

Picture of Pemetrexed Impurity 1
SZ CAT No:: SZ-P014010
CAS No: 1265908-64-2
Mol.F.: C21H23N5O6
Mol.Wt.: 441.4
Inv. Status: In Stock
Rel. CAS No: 1265908-60-8 (Na salt)

Pemetrexed Impurity 16

Picture of Pemetrexed Impurity 16
SZ CAT No:: SZ-P014008
CAS No: 193265-47-3
Mol.F.: C15H14N4O4
Mol.Wt.: 314.3
Inv. Status: In Stock

Pemetrexed Impurity 19

Picture of Pemetrexed Impurity 19
SZ CAT No:: SZ-P014014
CAS No: 193281-05-9
Mol.F.: C19H21N5O7
Mol.Wt.: 431.4
Inv. Status: In Stock

Pemetrexed Impurity 2

Picture of Pemetrexed Impurity 2
SZ CAT No:: SZ-P014011
CAS No: 155405-80-4
Mol.F.: C16H16N4O3
Mol.Wt.: 312.3
Inv. Status: In Stock

Pemetrexed Impurity 26

Picture of Pemetrexed Impurity 26
SZ CAT No:: SZ-P014037
CAS No: 123910-88-3
Mol.F.: C12H16O3
Mol.Wt.: 208.3
Inv. Status: In Stock

Pemetrexed Impurity 29

Picture of Pemetrexed Impurity 29
SZ CAT No:: SZ-P014040
CAS No: NA
Mol.F.: C18H19N5O4
Mol.Wt.: 369.4
Inv. Status: In Stock

Pemetrexed Impurity 46

Picture of Pemetrexed Impurity 46
SZ CAT No:: SZ-P014061
CAS No: NA
Mol.F.: C21H21N5O5
Mol.Wt.: 423.4
Inv. Status: In Stock

Pemetrexed Impurity 47

Picture of Pemetrexed Impurity 47
SZ CAT No:: SZ-P014062
CAS No: NA
Mol.F.: C20H19N5O5
Mol.Wt.: 409.4
Inv. Status: In Stock

Pemetrexed Keto Impurity

Picture of Pemetrexed Keto Impurity
SZ CAT No:: SZ-P014007
CAS No: 193281-00-4
Mol.F.: C20H21N5O7
Mol.Wt.: 443.4
Inv. Status: In Stock

Pemetrexed Mixture of Impurity B & C

Picture of Pemetrexed Mixture of Impurity B & C
SZ CAT No:: SZ-P014016
CAS No: 1644286-34-9
Mol.F.: C40H40N10O13
Mol.Wt.: 868.8
Inv. Status: In Stock
Rel. CAS No: 2368830-32-2 (Tetrasodium salt)

Pemetrexed Opened Ring Keto-Formamide

Picture of Pemetrexed Opened Ring Keto-Formamide
SZ CAT No:: SZ-P014018
CAS No: 1644286-35-0
Mol.F.: C20H21N5O8
Mol.Wt.: 459.4
Inv. Status: In Stock

Pemetrexed EP Impurity D

Picture of Pemetrexed EP Impurity D
SZ CAT No:: SZ-P014005
CAS No: 144051-68-3
Mol.F.: C25H28N6O9
Mol.Wt.: 556.5
Inv. Status: Limited Stock
Rel. CAS No: 1265908-59-5 (Trisodium salt)

Pemetrexed

Picture of Pemetrexed
SZ CAT No:: SZ-P014029
CAS No: 137281-23-3
Mol.F.: C20H21N5O6
Mol.Wt.: 427.4
Inv. Status: Custom Synthesis
Rel. CAS No: 150399-23-8 (disodium salt) ; 357166-30-4 (disodium hemipentahydrate)
Rel. CAT No: SZ-P014001 ,

Pemetrexed Alpha-Hydroxy lactum

Picture of Pemetrexed Alpha-Hydroxy lactum
SZ CAT No:: SZ-P014017
CAS No: 1644286-36-1
Mol.F.: C20H21N5O8
Mol.Wt.: 459.4
Inv. Status: Custom Synthesis

Pemetrexed Alpha-Hydroxy lactum Isomers 2

Picture of Pemetrexed Alpha-Hydroxy lactum Isomers 2
SZ CAT No:: SZ-P014025
CAS No: NA
Mol.F.: C20H21N5O8
Mol.Wt.: 459.4
Inv. Status: Custom Synthesis

Pemetrexed Epoxy Hemiaminal

Picture of Pemetrexed Epoxy Hemiaminal
SZ CAT No:: SZ-P014021
CAS No: NA
Mol.F.: C20H23N5O8
Mol.Wt.: 461.4
Inv. Status: Custom Synthesis

Pemetrexed Impurity 20

Picture of Pemetrexed Impurity 20
SZ CAT No:: SZ-P014015
CAS No: NA
Mol.F.: C25H28N6O9
Mol.Wt.: 556.5
Inv. Status: Custom Synthesis

Pemetrexed Impurity 21

Picture of Pemetrexed Impurity 21
SZ CAT No:: SZ-P014019
CAS No: NA
Mol.F.: C43H46N10O15
Mol.Wt.: 942.9
Inv. Status: Custom Synthesis

Pemetrexed Impurity 22

Picture of Pemetrexed Impurity 22
SZ CAT No:: SZ-P014020
CAS No: NA
Mol.F.: C30H38N6O9
Mol.Wt.: 626.7
Inv. Status: Custom Synthesis

Pemetrexed Impurity 24

Picture of Pemetrexed Impurity 24
SZ CAT No:: SZ-P014027
CAS No: NA
Mol.F.: C21H25N5O8
Mol.Wt.: 475.5
Inv. Status: Custom Synthesis

Pemetrexed Impurity 25

Picture of Pemetrexed Impurity 25
SZ CAT No:: SZ-P014028
CAS No: 1417656-72-4
Mol.F.: C20H23N5O9
Mol.Wt.: 477.4
Inv. Status: Custom Synthesis

Pemetrexed Impurity 27

Picture of Pemetrexed Impurity 27
SZ CAT No:: SZ-P014038
CAS No: 778-29-0
Mol.F.: C11H14O3S
Mol.Wt.: 226.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 28

Picture of Pemetrexed Impurity 28
SZ CAT No:: SZ-P014039
CAS No: 1265908-58-4
Mol.F.: C23H24N6O6
Mol.Wt.: 480.5
Inv. Status: Custom Synthesis
Rel. CAS No: 1802552-14-2 (2Na salt)

Pemetrexed Impurity 31

Picture of Pemetrexed Impurity 31
SZ CAT No:: SZ-P014042
CAS No: 155405-79-1
Mol.F.: C12H13BrO3
Mol.Wt.: 285.1
Inv. Status: Custom Synthesis

Pemetrexed Impurity 32

Picture of Pemetrexed Impurity 32
SZ CAT No:: SZ-P014043
CAS No: 143504-99-8
Mol.F.: C4H6N4O
Mol.Wt.: 126.1
Inv. Status: Custom Synthesis

Pemetrexed Impurity 33

Picture of Pemetrexed Impurity 33
SZ CAT No:: SZ-P014044
CAS No: 106200-41-3
Mol.F.: C12H14O3
Mol.Wt.: 206.2
Inv. Status: Custom Synthesis

Pemetrexed Impurity 36

Picture of Pemetrexed Impurity 36
SZ CAT No:: SZ-P014047
CAS No: NA
Mol.F.: C20H21N5O8
Mol.Wt.: 459.4
Inv. Status: Custom Synthesis

Pemetrexed Impurity 37

Picture of Pemetrexed Impurity 37
SZ CAT No:: SZ-P014051
CAS No: 884381-72-0
Mol.F.: C16H28N2O7
Mol.Wt.: 360.4
Inv. Status: Custom Synthesis
Rel. CAS No: 884312-34-9 (HCl salt)

Pemetrexed Impurity 38

Picture of Pemetrexed Impurity 38
SZ CAT No:: SZ-P014052
CAS No: 165049-28-5
Mol.F.: C24H29N5O6 : C7H8O3S
Mol.Wt.: 483.5 : 172.2
Inv. Status: Custom Synthesis
Rel. CAS No: 146943-43-3 (free base)

Pemetrexed Impurity 39

Picture of Pemetrexed Impurity 39
SZ CAT No:: SZ-P014053
CAS No: 883553-87-5
Mol.F.: C25H28N6O9
Mol.Wt.: 556.5
Inv. Status: Custom Synthesis
Rel. CAS No: 883553-87-5 (3Na salt)

Pemetrexed Impurity 40

Picture of Pemetrexed Impurity 40
SZ CAT No:: SZ-P014055
CAS No: 1209465-70-2
Mol.F.: C20H19N7O5
Mol.Wt.: 437.4
Inv. Status: Custom Synthesis

Pemetrexed Impurity 41

Picture of Pemetrexed Impurity 41
SZ CAT No:: SZ-P014056
CAS No: 912935-56-9
Mol.F.: C12H14O3
Mol.Wt.: 206.2
Inv. Status: Custom Synthesis

Pemetrexed Impurity 42

Picture of Pemetrexed Impurity 42
SZ CAT No:: SZ-P014057
CAS No: 1006614-56-7
Mol.F.: C12H12O3
Mol.Wt.: 204.2
Inv. Status: Custom Synthesis

Pemetrexed Impurity 43

Picture of Pemetrexed Impurity 43
SZ CAT No:: SZ-P014058
CAS No: 1839064-38-8
Mol.F.: C12H11BrO3
Mol.Wt.: 283.1
Inv. Status: Custom Synthesis

Pemetrexed Impurity 44

Picture of Pemetrexed Impurity 44
SZ CAT No:: SZ-P014059
CAS No: 1839064-37-7
Mol.F.: C16H14N4O3
Mol.Wt.: 310.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 45

Picture of Pemetrexed Impurity 45
SZ CAT No:: SZ-P014060
CAS No: 1839064-36-6
Mol.F.: C15H12N4O3
Mol.Wt.: 296.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 48

Picture of Pemetrexed Impurity 48
SZ CAT No:: SZ-P014063
CAS No: 240407-05-0
Mol.F.: C12H14O3
Mol.Wt.: 206.2
Inv. Status: Custom Synthesis

Pemetrexed Impurity 49

Picture of Pemetrexed Impurity 49
SZ CAT No:: SZ-P014064
CAS No: 1265908-65-3
Mol.F.: C28H34N6O9
Mol.Wt.: 598.6
Inv. Status: Custom Synthesis

Pemetrexed Impurity 50

Picture of Pemetrexed Impurity 50
SZ CAT No:: SZ-P014065
CAS No: 1265908-62-0
Mol.F.: C28H34N6O9
Mol.Wt.: 598.6
Inv. Status: Custom Synthesis

Pemetrexed Impurity 51

Picture of Pemetrexed Impurity 51
SZ CAT No:: SZ-P014066
CAS No: 1320346-37-9
Mol.F.: C12H12Br2O3
Mol.Wt.: 364.0
Inv. Status: Custom Synthesis

Pemetrexed Impurity 52

Picture of Pemetrexed Impurity 52
SZ CAT No:: SZ-P014067
CAS No: NA
Mol.F.: C13H22N2O7
Mol.Wt.: 318.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 53

Picture of Pemetrexed Impurity 53
SZ CAT No:: SZ-P014068
CAS No: NA
Mol.F.: C13H22N2O7
Mol.Wt.: 318.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 54

Picture of Pemetrexed Impurity 54
SZ CAT No:: SZ-P014069
CAS No: NA
Mol.F.: C15H15N3O4
Mol.Wt.: 301.3
Inv. Status: Custom Synthesis

Pemetrexed Impurity 55

Picture of Pemetrexed Impurity 55
SZ CAT No:: SZ-P014070
CAS No: NA
Mol.F.: C20H20N4O7
Mol.Wt.: 428.4
Inv. Status: Custom Synthesis

Pemetrexed Impurity Mixture (A & D)

Picture of Pemetrexed Impurity Mixture (A & D)
SZ CAT No:: SZ-P014048
CAS No: NA
Mol.F.: C21H23N5O6 : C25H28N6O9
Mol.Wt.: 441.4 : 556.5
Inv. Status: Custom Synthesis

Pemetrexed Keto Impurity Isomers 2

Picture of Pemetrexed Keto Impurity Isomers 2
SZ CAT No:: SZ-P014024
CAS No: NA
Mol.F.: C20H21N5O7
Mol.Wt.: 443.4
Inv. Status: Custom Synthesis

Pemetrexed opened Ring Keto Amide

Picture of Pemetrexed opened Ring Keto Amide
SZ CAT No:: SZ-P014022
CAS No: NA
Mol.F.: C20H22N4O7
Mol.Wt.: 430.4
Inv. Status: Custom Synthesis

Pemetrexed Thio-bridged Dimer Tetrasodium Salt

Picture of Pemetrexed Thio-bridged Dimer Tetrasodium Salt
SZ CAT No:: SZ-P014054
CAS No: NA
Mol.F.: C40H36N10O12S : 4(Na)
Mol.Wt.: 880.8 : 4(23.0)
Inv. Status: Custom Synthesis

Tris Pemetrexed

Picture of Tris Pemetrexed
SZ CAT No:: SZ-P014023
CAS No: 2518419-18-4
Mol.F.: C24H30N6O8
Mol.Wt.: 530.5
Inv. Status: Custom Synthesis

4-(4-oxobutyl) benzoic acid

Picture of 4-(4-oxobutyl) benzoic acid
SZ CAT No:: SZ-P014071
CAS No: 1006656-82-1
Mol.F.: C11H12O3
Mol.Wt.: 192.2
Inv. Status:
Rel. CAS No: 1006614-60-3 (Free base)

Pemetrexed Ditromethamine

Picture of Pemetrexed Ditromethamine
SZ CAT No:: SZ-P014075
CAS No: 1645228-03-0
Mol.F.: C20H21N5O6 : 2(C4H11NO3)
Mol.Wt.: 427.4 : 2(121.1)
Inv. Status:
Rel. CAS No: 137281-23-3 (Free base)

Pemetrexed Impurity 57

Picture of Pemetrexed Impurity 57
SZ CAT No:: SZ-P014073
CAS No: 58973-64-1
Mol.F.: C11H14O3
Mol.Wt.: 194.2
Inv. Status:

Pemetrexed Impurity 58

Picture of Pemetrexed Impurity 58
SZ CAT No:: SZ-P014074
CAS No: 1644287-27-3
Mol.F.: C20H21N5O7
Mol.Wt.: 443.4
Inv. Status:

PMD-Diester DMF Complex

Picture of PMD-Diester DMF Complex
SZ CAT No:: SZ-P014072
CAS No: 1802552-05-1
Mol.F.: C27H34N6O6
Mol.Wt.: 538.6
Inv. Status:

Stable Isotopes And Metabolites

Pemetrexed D5

Picture of Pemetrexed D5
SZ CAT No:: SZ-P014D01
CAS No: 1129408-57-6
Mol.F.: C20H16D5N5O6
Mol.Wt.: 432.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Pemetrexed Nitroso Impurity 1

Picture of Pemetrexed Nitroso Impurity 1
SZ CAT No:: SZ-P014033
CAS No: NA
Mol.F.: C20H20N6O7
Mol.Wt.: 456.4
Inv. Status: Inquire

Pemetrexed Nitroso Impurity 2

Picture of Pemetrexed Nitroso Impurity 2
SZ CAT No:: SZ-P014034
CAS No: NA
Mol.F.: C20H19N7O8
Mol.Wt.: 485.4
Inv. Status: Inquire

Pemetrexed Nitroso Impurity 3

Picture of Pemetrexed Nitroso Impurity 3
SZ CAT No:: SZ-P014035
CAS No: NA
Mol.F.: C20H20N6O7
Mol.Wt.: 456.4
Inv. Status: Inquire
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