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Methotrexate — reference standards & impurities

Browse compounds listed for Methotrexate. Search by product name, catalogue number or CAS number, and refine the results by category or availability.

Impurity Standards

Methotrexate Impurity 14

CAT. No.M160051 CAS No.NA Mol. F.C15H20N2O5 Mol. W.308.33 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 15

CAT. No.M160052 CAS No.NA Mol. F.C22H26N8O5 Mol. W.482.49 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 16

CAT. No.M160053 CAS No.65148-63-2 Mol. F.C22H26N8O5 Mol. W.482.49 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 17

CAT. No.M160071 CAS No.NA Mol. F.C16H20ClNO5 Mol. W.341.79 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 18

CAT. No.M160072 CAS No.NA Mol. F.C17H22N2O6 Mol. W.350.37 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 19

CAT. No.M160073 CAS No.909874-43-7 Mol. F.C18H26N2O5 Mol. W.350.41 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 2

CAT. No.M160076 CAS No.87039-96-1 Mol. F.C12H12ClNO5 Mol. W.285.68 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 21

CAT. No.M160077 CAS No.67278-37-9 Mol. F.C14H18N2O5 Mol. W.294.30 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 22

CAT. No.M160078 CAS No.79974-20-2 Mol. F.C14H18N2O5 Mol. W.294.30 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 23

CAT. No.M160079 CAS No.79974-19-9 Mol. F.C14H18N2O5 Mol. W.294.30 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 24

CAT. No.M160080 CAS No.101810-76-8 Mol. F.C15H20N2O5 Mol. W.308.33 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 25

CAT. No.M160081 CAS No.942840-87-1 Mol. F.C9H12N2O Mol. W.164.20 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 26

CAT. No.M160082 CAS No.54643-27-5 Mol. F.C7H8N6O2 Mol. W.208.18 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 27

CAT. No.M160083 CAS No.4261-17-0 Mol. F.C7H6N6O Mol. W.190.16 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 28

CAT. No.M160084 CAS No.NA Mol. F.C8H10N6O Mol. W.206.20 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 29

CAT. No.M160085 CAS No.41600-13-9 Mol. F.C25H29N9O8 Mol. W.583.55 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 3

CAT. No.M160067 CAS No.57963-63-0 Mol. F.C16H21NO6 Mol. W.323.34 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 30

CAT. No.M160086 CAS No.52980-66-2 Mol. F.C20H22N8O5 Mol. W.454.44 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 31

CAT. No.M160087 CAS No.142645-42-9 Mol. F.C7H7N5O Mol. W.177.16 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 32

CAT. No.M160020 CAS No.873397-19-4 Mol. F.C7H6ClN5O Mol. W.211.61 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 4

CAT. No.M160044 CAS No.52030-86-1 Mol. F.C13H16N2O5 Mol. W.280.28 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 5

CAT. No.M160066 CAS No.4215-07-0 Mol. F.C7H8N6 Mol. W.176.18 g/mol Stock Status Custom Synthesis
COA MSDS

Methotrexate Impurity 6

CAT. No.M160057 CAS No.NA Mol. F.C8H10N6O2 Mol. W.222.20 g/mol Stock Status Custom Synthesis
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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