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Impurity - Methotrexate

CAT No: KMM018001
N-Nitroso Methotrexate EP Impurity-B

CAS No.: Not Available

CAT No.: KMM018001

Formula : C19H19N9O6

FW : 469.41

CAT No: KMM018002
Methotrexate EP Impurity F

CAS No.: Not Available (Na salt) ; 51865-79-3 (free acid)

CAT No.: KMM018002

Formula : C20H20N8O5 : 2(Na)

FW : 454.44 : 2(23.0)

CAT No: KMM018006
Methotrexate

CAS No.: 59-05-2

CAT No.: KMM018006

Formula : C20H22N8O5

FW : 454.4

CAT No: KMM018011
Methotrexate Dihydrate

CAS No.: 1212284-68-8

CAT No.: KMM018011

Formula : C20H22N8O5 : 2(H2O)

FW : 454.4 : 2(18.0)

CAT No: KMM018012
Methotrexate Dimethylamide (USP)

CAS No.: 71074-44-7

CAT No.: KMM018012

Formula : C22H27N9O4

FW : 481.5

CAT No: KMM018013
Methotrexate Disodium

CAS No.: 7413-34-5

CAT No.: KMM018013

Formula : C20H20N8O52 : 2(Na)

FW : 452.4 : 2(23.0)

CAT No: KMM018014
Methotrexate Disodium Tetrahydrate

CAS No.: NA

CAT No.: KMM018014

Formula : C20H20N8O52 : 2(Na) : 4(H2O)

FW : 452.4 : 2(23.0) : 4(18.0)

CAT No: KMM018015
Methotrexate EP Impurity A

CAS No.: 945-24-4

CAT No.: KMM018015

Formula : C7H8N6O

FW : 192.1

CAT No: KMM018016
Methotrexate EP Impurity A (HCl salt)

CAS No.: 73978-41-3

CAT No.: KMM018016

Formula : C7H8N6O : HCl

FW : 192.2 : 36.5

CAT No: KMM018017
Methotrexate EP Impurity B

CAS No.: 54-62-6

CAT No.: KMM018017

Formula : C19H20N8O5

FW : 440.4

CAT No: KMM018018
Methotrexate EP Impurity C

CAS No.: 2410-93-7

CAT No.: KMM018018

Formula : C20H21N7O6

FW : 455.4

CAT No: KMM018019
Methotrexate EP Impurity D

CAS No.: 5623-18-7

CAT No.: KMM018019

Formula : C15H14N6O3

FW : 326.3

CAT No: KMM018020
Methotrexate EP Impurity E

CAS No.: 19741-14-1

CAT No.: KMM018020

Formula : C15H15N7O2

FW : 325.3

CAT No: KMM018022
Methotrexate EP Impurity G

CAS No.: 2519848-42-9

CAT No.: KMM018022

Formula : C28H29N9O6

FW : 587.6

CAT No: KMM018023
Methotrexate EP Impurity H

CAS No.: 67022-39-3

CAT No.: KMM018023

Formula : C21H24N8O5

FW : 468.5

CAT No: KMM018024
Methotrexate EP Impurity I

CAS No.: 66147-29-3

CAT No.: KMM018024

Formula : C21H24N8O5

FW : 468.5

CAT No: KMM018025
Methotrexate EP Impurity J

CAS No.: 34378-65-9

CAT No.: KMM018025

Formula : C22H26N8O5

FW : 482.5

CAT No: KMM018026
Methotrexate EP Impurity K

CAS No.: 4271-30-1

CAT No.: KMM018026

Formula : C12H14N2O5

FW : 266.3

CAT No: KMM018027
Methotrexate EP Impurity L

CAS No.: 52980-68-4

CAT No.: KMM018027

Formula : C13H16N2O5

FW : 280.3

CAT No: KMM018028
Methotrexate Hydrate EP Impurity B

CAS No.: 1217459-90-9

CAT No.: KMM018028

Formula : C19H20N8O5 : H2O

FW : 440.4 : 18.0

CAT No: KMM018007
Methotrexate 7-Hydroxy Metabolite

CAS No.: 5939-37-7

CAT No.: KMM018007

Formula : C20H22N8O6

FW : 470.4

CAT No: KMM018048
Methotrexate N-Desmethyl Impurity

CAS No.: 1189252-22-9

CAT No.: KMM018048

Formula : C14H12N6O3 : H2O

FW : 312.3 : 18.0

CAT No: KMM018003
(+/-)Amethopterin

CAS No.: 60388-53-6

CAT No.: KMM018003

Formula : C20H22N8O5

FW : 454.4

CAT No: KMM018004
2,4-Diaminopteridine

CAS No.: 1127-93-1

CAT No.: KMM018004

Formula : C6H6N6

FW : 162.2

CAT No: KMM018005
6-Methyl-2,4-pteridinediamine 

CAS No.: 708-74-7

CAT No.: KMM018005

Formula : C7H8N6

FW : 176.2

CAT No: KMM018009
Methotrexate Diethyl Ester

CAS No.: 43170-88-3

CAT No.: KMM018009

Formula : C24H30N8O5

FW : 510.6

CAT No: KMM018029
Methotrexate Impurity 1

CAS No.: 1029980-84-4

CAT No.: KMM018029

Formula : C17H24N2O5

FW : 336.4

CAT No: KMM018030
Methotrexate Impurity 10

CAS No.: NA

CAT No.: KMM018030

Formula : C16H20ClNO5

FW : 341.8

CAT No: KMM018031
Methotrexate Impurity 11

CAS No.: 34794-87-1

CAT No.: KMM018031

Formula : C15H14N6O3

FW : 326.3

CAT No: KMM018032
Methotrexate Impurity 12

CAS No.: 881-33-4

CAT No.: KMM018032

Formula : C7H8N6O

FW : 192.2

CAT No: KMM018033
Methotrexate Impurity 13

CAS No.: NA

CAT No.: KMM018033

Formula : C15H20N2O5

FW : 308.3

CAT No: KMM018034
Methotrexate Impurity 14

CAS No.: NA

CAT No.: KMM018034

Formula : C15H20N2O5

FW : 308.3

CAT No: KMM018035
Methotrexate Impurity 15

CAS No.: 65148-64-3

CAT No.: KMM018035

Formula : C22H26N8O5

FW : 482.5

CAT No: KMM018036
Methotrexate Impurity 16

CAS No.: 65148-63-2

CAT No.: KMM018036

Formula : C22H26N8O5

FW : 482.5

CAT No: KMM018037
Methotrexate Impurity 17

CAS No.: 2820151-35-5

CAT No.: KMM018037

Formula : C17H24N2O5

FW : 336.4

CAT No: KMM018038
Methotrexate Impurity 18

CAS No.: NA

CAT No.: KMM018038

Formula : C23H28N8O5

FW : 496.5

CAT No: KMM018039
Methotrexate Impurity 19

CAS No.: NA

CAT No.: KMM018039

Formula : C23H28N8O5

FW : 496.5

CAT No: KMM018041
Methotrexate Impurity 3

CAS No.: NA

CAT No.: KMM018041

Formula : C25H31N3O6

FW : 469.5

CAT No: KMM018042
Methotrexate Impurity 4

CAS No.: 52030-86-1

CAT No.: KMM018042

Formula : C13H16N2O5

FW : 280.3

CAT No: KMM018043
Methotrexate Impurity 5

CAS No.: 4215-07-0

CAT No.: KMM018043

Formula : C7H8N6

FW : 176.2

CAT No: KMM018045
Methotrexate Impurity 7

CAS No.: 57963-63-0

CAT No.: KMM018045

Formula : C16H21NO6

FW : 323.3

CAT No: KMM018046
Methotrexate Impurity 8

CAS No.: 909874-43-7

CAT No.: KMM018046

Formula : C18H26N2O5

FW : 350.4

CAT No: KMM018047
Methotrexate Impurity 9

CAS No.: 10541-83-0

CAT No.: KMM018047

Formula : C8H9NO2

FW : 151.2

CAT No: KMM018054
N-(4-chlorobenzoyl)-L-glutamic acid

CAS No.: 57444-70-9

CAT No.: KMM018054

Formula : C12H12ClNO5

FW : 285.7

CAT No: KMM018055
N-(4-hydroxybenzoyl)-L-Glutamic acid

CAS No.: 119843-02-6

CAT No.: KMM018055

Formula : C12H13NO6

FW : 267.2

CAT No: KMM018040
Methotrexate Impurity 2

CAS No.: 51865-66-8

CAT No.: KMM018040

Formula : C17H24N2O5

FW : 336.4

CAT No: KMM018044
Methotrexate Impurity 6

CAS No.: NA

CAT No.: KMM018044

Formula : C8H10N6O2

FW : 222.2

CAT No: KMM018064
S-methylaminobenzoyl glutamicester

CAS No.: 2378-95-2

CAT No.: KMM018064

Formula : C17H24N2O5

FW : 336.4

CAT No: KMM018008
Methotrexate D3

CAS No.: 432545-63-6

CAT No.: KMM018008

Formula : C20H19D3N8O5

FW : 457.5

CAT No: KMM018058
N-Nitroso Methotrexate EP Impurity B D6

CAS No.: NA

CAT No.: KMM018058

Formula : C19H13D6N9O6

FW : 475.5

CAT No: KMM018057
N-Nitroso Methotrexate EP Impurity B

CAS No.: NA

CAT No.: KMM018057

Formula : C19H19N9O6

FW : 469.4

CAT No: KMM018061
N-Nitroso Methotrexate EP Impurity-L

CAS No.: NA

CAT No.: KMM018061

Formula : C13H15N3O6

FW : 309.3

CAT No: KMM018062
N-Nitroso S-Methylaminobenzoyl Glutamicester

CAS No.: NA

CAT No.: KMM018062

Formula : C17H23N3O6

FW : 365.4

CAT No: KMM018050
Methotrexate Nitroso Impurity 2

CAS No.: NA

CAT No.: KMM018050

Formula : C20H19N9O7

FW : 497.4

CAT No: KMM018051
Methotrexate Nitroso Impurity 3

CAS No.: NA

CAT No.: KMM018051

Formula : C17H23N3O6

FW : 365.4

CAT No: KMM018010
Methotrexate diethyl ester Nitroso Impurity

CAS No.: NA

CAT No.: KMM018010

Formula : C24H29N9O6

FW : 539.6

CAT No: KMM018049
Methotrexate Nitroso Impurity 1

CAS No.: NA

CAT No.: KMM018049

Formula : C21H21N9O6 : 2(Na)

FW : 495.5 : 2(23.0)

CAT No: KMM018052
Methotrexate Nitroso Impurity 4

CAS No.: NA

CAT No.: KMM018052

Formula : C17H23N3O6

FW : 365.4

CAT No: KMM018053
Methotrexate Nitroso Impurity 5

CAS No.: NA

CAT No.: KMM018053

Formula : C17H22N4O7

FW : 394.4

CAT No: KMM018063
N,N-Dinitroso Methotrexate EP Impurity L

CAS No.: NA

CAT No.: KMM018063

Formula : C13H14N4O7

FW : 338.3

CAT No: KMM018056
N-Nitroso Methotrexate

CAS No.: NA

CAT No.: KMM018056

Formula : C20H21N9O6

FW : 483.4

CAT No: KMM018059
N-Nitroso Methotrexate EP Impurity F

CAS No.: NA

CAT No.: KMM018059

Formula : C20H21N9O6

FW : 483.4

CAT No: KMM018060
N-Nitroso Methotrexate EP Impurity L

CAS No.: NA

CAT No.: KMM018060

Formula : C13H15N3O6

FW : 309.3

CAT No: KMM018021
Methotrexate EP Impurity F

CAS No.: 51865-79-3

CAT No.: KMM018021

Formula : C20H22N8O5

FW : 454.4