methotrexate and its Impurities

An antimetabolite of the antifolate type, Methotrexate is an chemotherapy drug and used for treating autoimmune diseases like psoriasis, rheumatoid arthritis. It causes life threatening side effects. Reference standards of Methotrexate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 90 results for methotrexate Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 13 28000

Methotrexate

Methotrexate

  • Catalogue No.:PA 13 28000

  • CAS :

    59-05-2

  • Molecular Formula : C20H22N8O5

  • Molecular Weight : 454.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28010

Methotrexate - Impurity A (Freebase)

(2,4-Diaminopteridin-6-yl)methanol

  • Catalogue No.:PA 13 28010

  • CAS :

    945-24-4

  • Molecular Formula : C7H8N6O

  • Molecular Weight : 192.18

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28020

Methotrexate - Impurity B (Freebase)

Aminopterin

  • Catalogue No.:PA 13 28020

  • CAS :

    54-62-6

  • Molecular Formula : C19H20N8O5

  • Molecular Weight : 440.41

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28030

Methotrexate - Impurity C

Methopteridine

  • Catalogue No.:PA 13 28030

  • CAS :

    2410-93-7

  • Molecular Formula : C20H21N7O6

  • Molecular Weight : 455.42

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28040

Methotrexate - Impurity D

N10-Methyl Pteroic Acid

  • Catalogue No.:PA 13 28040

  • CAS :

    5623-18-7

  • Molecular Formula : C15H14N6O3

  • Molecular Weight : 326.31

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28050

Methotrexate - Impurity E (HCl Salt)

4-amino-N10-methylpteroic acid, APA Hydrochloride

  • Catalogue No.:PA 13 28050

  • CAS :

    70844-48-3

  • Molecular Formula : C30H31ClN14O4

  • Molecular Weight : 687.12

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28060

Methotrexate - Impurity F (Freebase)

(R)-Methotrexate

  • Catalogue No.:PA 13 28060

  • CAS :

    51865-79-3

  • Molecular Formula : C20H22N8O5

  • Molecular Weight : 454.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28080

Methotrexate - Impurity H

(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]-4-(methoxycarbonyl)butanoic Acid

  • Catalogue No.:PA 13 28080

  • CAS :

    67022-39-3

  • Molecular Formula : C21H24N8O5

  • Molecular Weight : 468.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28090

Methotrexate - Impurity I

(4S)-4-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]-4-(methoxycarbonyl)butanoic Acid

  • Catalogue No.:PA 13 28090

  • CAS :

    66147-29-3

  • Molecular Formula : C21H24N8O5

  • Molecular Weight : 468.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28100

Methotrexate - Impurity J

Methotrexate Dimethyl Ester

  • Catalogue No.:PA 13 28100

  • CAS :

    34378-65-9

  • Molecular Formula : C22H26N8O5

  • Molecular Weight : 482.49

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28510

Methotrexate Triglutamate Trifluoroacetate

Methotrexate Triglutamate Trifluoroacetate

  • Catalogue No.:PA 13 28510

  • CAS :

    NA

  • Molecular Formula : C30H36N10O11 xC2HF3O2

  • Molecular Weight : 712.67

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28520

Methotrexate Tetraglutamate Trifluoroacetate

Methotrexate Tetraglutamate Trifluoroacetate

  • Catalogue No.:PA 13 28520

  • CAS :

    NA

  • Molecular Formula : C35H43N11O14 xC2HF3O2

  • Molecular Weight : 841.78

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28530

Methotrexate Pentaglutamate Trifluoroacetate

Methotrexate Pentaglutamate Trifluoroacetate

  • Catalogue No.:PA 13 28530

  • CAS :

    NA

  • Molecular Formula : C40H50N12O17 xC2HF3O2

  • Molecular Weight : 970.9

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 061720

Methopterine-d3

Methopterine-d3

  • Catalogue No.:PA STI 061720

  • CAS :

    NA

  • Molecular Formula : C20H18D3N7O6

  • Molecular Weight : 458.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 049680

7-Hydroxy Methotrexate-d3

7-Hydroxy Methotrexate-d3

  • Catalogue No.:PA STI 049680

  • CAS :

    432545-62-5

  • Molecular Formula : C20H19D3N8O6

  • Molecular Weight : 473.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 059080

Methotrexate-d3

Methotrexate-d3

  • Catalogue No.:PA STI 059080

  • CAS :

    432545-63-6

  • Molecular Formula : C20H19D3N8O5

  • Molecular Weight : 457.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 059090

DL-Methotrexate-d3 Dipotassium Salt

DL-Methotrexate-d3 Dipotassium Salt

  • Catalogue No.:PA STI 059090

  • CAS :

    NA

  • Molecular Formula : C20H17D3K2N8O5

  • Molecular Weight : 533.64

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28540

Methotrexate Dimethylamide

Methotrexate Dimethylamide

  • Catalogue No.:PA 13 28540

  • CAS :

    71074-44-7

  • Molecular Formula : C22H27N9O4

  • Molecular Weight : 481.52

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28550

(+/-)Amethopterin

(+/-)Amethopterin

  • Catalogue No.:PA 13 28550

  • CAS :

    60388-53-6

  • Molecular Formula : C20H22N8O5

  • Molecular Weight : 454.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28560

N-(4-Aminobenzoyl)-D-glutamic acid

N-(4-Aminobenzoyl)-D-glutamic acid

  • Catalogue No.:PA 13 28560

  • CAS :

    5959-18-2

  • Molecular Formula : C12H14N2O5

  • Molecular Weight : 266.25

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA ICRS0345

Methotrexate (ICRS0345)

Methotrexate (ICRS0345)

  • Catalogue No.:PA ICRS0345

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 231 12

Methotrexate (IPRS/231/12)-from IPC

Methotrexate (IPRS/231/12)-from IPC

  • Catalogue No.:PA IPIPRS 231 12

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA JP0148

Methotrexate (JP 0148)

Methotrexate (JP 0148)

  • Catalogue No.:PA JP0148

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPM1000000

Methotrexate (M1000000)

Methotrexate (M1000000)

  • Catalogue No.:PA EPM1000000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPM1000008

Methotrexate impurity D (M1000008)

Methotrexate impurity D (M1000008)

  • Catalogue No.:PA EPM1000008

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPY0000602

Methotrexate for peak identification (Y0000602)

Methotrexate for peak identification (Y0000602)

  • Catalogue No.:PA EPY0000602

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPY0000663

Methotrexate impurity C (Y0000663)

Methotrexate impurity C (Y0000663)

  • Catalogue No.:PA EPY0000663

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPY0000664

Methotrexate impurity E (Y0000664)

Methotrexate impurity E (Y0000664)

  • Catalogue No.:PA EPY0000664

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPY0001668

Methotrexate for system suitability (Y0001668)

Methotrexate for system suitability (Y0001668)

  • Catalogue No.:PA EPY0001668

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1413988

R-Methotrexate ((R)-2-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic ac (1413988)

R-Methotrexate ((R)-2-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic ac (1413988)

  • Catalogue No.:PA USP1413988

  • CAS :

    59-05-2

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1413999

Methotrexate System Suitability Mixture (1413999)

Methotrexate System Suitability Mixture (1413999)

  • Catalogue No.:PA USP1413999

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1414003

Methotrexate (1414003)

Methotrexate (1414003)

  • Catalogue No.:PA USP1414003

  • CAS :

    59-05-2

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1414025

Methotrexate Related Compound B ((S)-2-{4-[(2,4-diaminopteridin-6-yl)methylamino]benzamido}pentaned (1414025)

Methotrexate Related Compound B ((S)-2-{4-[(2,4-diaminopteridin-6-yl)methylamino]benzamido}pentaned (1414025)

  • Catalogue No.:PA USP1414025

  • CAS :

    54-62-6

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1414036

Methotrexate Related Compound C ((S)-2-(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](methyl) (1414036)

Methotrexate Related Compound C ((S)-2-(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](methyl) (1414036)

  • Catalogue No.:PA USP1414036

  • CAS :

    2410-93-7

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1414058

Methotrexate Related Compound E (4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzoic acid, h (1414058)

Methotrexate Related Compound E (4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzoic acid, h (1414058)

  • Catalogue No.:PA USP1414058

  • CAS :

    70844-48-3

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28570

4-[[(2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoic Acid Methyl Ester

4-[[(2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoic Acid Methyl Ester

  • Catalogue No.:PA 13 28570

  • CAS :

    34794-87-1

  • Molecular Formula : C15H14N6O3

  • Molecular Weight : 326.31

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28120

Methotrexate - Impurity L

(2S)-2-[[4-(Methylamino)benzoyl]amino]pentanedioic Acid

  • Catalogue No.:PA 13 28120

  • CAS :

    52980-68-4

  • Molecular Formula : C13H16N2O5

  • Molecular Weight : 280.28

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28070

Methotrexate - Impurity G

(2S)-2-[[4-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]methylamino]benzoyl]amino]pentanedioic Acid

  • Catalogue No.:PA 13 28070

  • CAS :

    2519848-42-9

  • Molecular Formula : C28H29N9O6

  • Molecular Weight : 587.60

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 28110

Methotrexate - Impurity K

(2S)-2-[(4-Aminobenzoyl)amino]pentanedioic Acid

  • Catalogue No.:PA 13 28110

  • CAS :

    4271-30-1

  • Molecular Formula : C12H14N2O5

  • Molecular Weight : 266.25

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281000

10-Deazaaminopterin

10-Deazaaminopterin

  • Catalogue No.:PA 13 0281000

  • CAS :

    52454-37-2

  • Molecular Formula : C20H21N7O5

  • Molecular Weight : 439.43

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280011

Methotrexate - Impurity A (Hydrochloride Salt)

2,4-Diamino-6-pteridinemethanol Hydrochloride Salt

  • Catalogue No.:PA 13 0280011

  • CAS :

    73978-41-3

  • Molecular Formula : C7H9ClN6O

  • Molecular Weight : 228.64

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281001

7-Cyanomethotrexate Dimethyl Ester

7-Cyanomethotrexate Dimethyl Ester

  • Catalogue No.:PA 13 0281001

  • CAS :

    112163-39-0

  • Molecular Formula : C23H25N9O5

  • Molecular Weight : 507.51

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281002

Methotrexate-d3 Dimethyl Ester

Methotrexate-d3 Dimethyl Ester

  • Catalogue No.:PA 13 0281002

  • CAS :

    432545-60-3

  • Molecular Formula : C22H23D3N8O5

  • Molecular Weight : 485.52

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281003

7-Hydroxy Methotrexate

7-Hydroxy Methotrexate

  • Catalogue No.:PA 13 0281003

  • CAS :

    5939-37-7

  • Molecular Formula : C20H22N8O6

  • Molecular Weight : 470.45

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281004

(2,4-Diaminopteridin-7-yl)methanol

(2,4-Diaminopteridin-7-yl)methanol

  • Catalogue No.:PA 13 0281004

  • CAS :

    881-33-4

  • Molecular Formula : C7H8N6O

  • Molecular Weight : 192.18

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281005

2,4-Diaminopteridine

2,4-Diaminopteridine

  • Catalogue No.:PA 13 0281005

  • CAS :

    1127-93-1

  • Molecular Formula : C6H6N6

  • Molecular Weight : 162.16

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281006

6-Methylpteridine-2,4-diamine

6-Methylpteridine-2,4-diamine

  • Catalogue No.:PA 13 0281006

  • CAS :

    708-74-7

  • Molecular Formula : C7H8N6

  • Molecular Weight : 176.18

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281007

(4-Chlorobenzoyl)-L-glutamic Acid

(4-Chlorobenzoyl)-L-glutamic Acid

  • Catalogue No.:PA 13 0281007

  • CAS :

    57444-70-9

  • Molecular Formula : C12H12ClNO5

  • Molecular Weight : 285.68

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281008

Methotrexate System Suitability Mixture

Methotrexate System Suitability Mixture

  • Catalogue No.:PA 13 0281008

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281009

Aminopterin-α-hyrazide

Aminopterin-α-hyrazide

  • Catalogue No.:PA 13 0281009

  • CAS :

    118359-33-4

  • Molecular Formula : C19H22N10O4

  • Molecular Weight : 454.45

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281010

7-Methylpteridine-2,4-diamine

7-Methylpteridine-2,4-diamine

  • Catalogue No.:PA 13 0281010

  • CAS :

    4215-07-0

  • Molecular Formula : C7H8N6

  • Molecular Weight : 176.18

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280051

Methotrexate - Impurity E (Freebase)

4-Amino-N10-methylpteroic acid, APA

  • Catalogue No.:PA 13 0280051

  • CAS :

    19741-14-1

  • Molecular Formula : C15H15N7O2

  • Molecular Weight : 325.33

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281011

Diethyl (4-(methylamino)benzoyl)-L-glutamate

Diethyl (4-(methylamino)benzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281011

  • CAS :

    2378-95-2

  • Molecular Formula : C17H24N2O5

  • Molecular Weight : 336.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281012

Sodium (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-nitrosobenzamido)-2-methylpentanedioate

Sodium (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-nitrosobenzamido)-2-methylpentanedioate

  • Catalogue No.:PA 13 0281012

  • CAS :

    NA

  • Molecular Formula : C21H21N9Na2O6

  • Molecular Weight : 541.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281013

(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-L-glutamic Acid

(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-L-glutamic Acid

  • Catalogue No.:PA 13 0281013

  • CAS :

    NA

  • Molecular Formula : C19H19N9O6

  • Molecular Weight : 469.42

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281014

N-(4-(Methylamino)benzoyl)-N-nitroso-L-glutamic Acid

N-(4-(Methylamino)benzoyl)-N-nitroso-L-glutamic Acid

  • Catalogue No.:PA 13 0281014

  • CAS :

    NA

  • Molecular Formula : C13H15N3O6

  • Molecular Weight : 309.28

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281015

(4-(Methyl(nitroso)amino)benzoyl)-L-glutamic Acid

(4-(Methyl(nitroso)amino)benzoyl)-L-glutamic Acid

  • Catalogue No.:PA 13 0281015

  • CAS :

    NA

  • Molecular Formula : C13H15N3O6

  • Molecular Weight : 309.28

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281016

N-(4-(Methyl(nitroso)amino)benzoyl)-N-nitroso-L-glutamic Acid

N-(4-(Methyl(nitroso)amino)benzoyl)-N-nitroso-L-glutamic Acid

  • Catalogue No.:PA 13 0281016

  • CAS :

    NA

  • Molecular Formula : C13H14N4O7

  • Molecular Weight : 338.28

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281017

(4-(Methylamino)benzoyl)-D-glutamic Acid

(4-(Methylamino)benzoyl)-D-glutamic Acid

  • Catalogue No.:PA 13 0281017

  • CAS :

    52030-86-1

  • Molecular Formula : C13H16N2O5

  • Molecular Weight : 280.28

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281018

(2,4-Diaminopteridine-6,7-diyl)dimethanol

(2,4-Diaminopteridine-6,7-diyl)dimethanol

  • Catalogue No.:PA 13 0281018

  • CAS :

    NA

  • Molecular Formula : C8H10N6O2

  • Molecular Weight : 222.21

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280021

Methotrexate - Impurity B (Hydrate Salt)

(4-(((2,4-diaminopteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid hydrate

  • Catalogue No.:PA 13 0280021

  • CAS :

    1217459-90-9

  • Molecular Formula : C19H22N8O6

  • Molecular Weight : 458.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281019

Diethyl (4-(methylamino)benzoyl)-D-glutamate

Diethyl (4-(methylamino)benzoyl)-D-glutamate

  • Catalogue No.:PA 13 0281019

  • CAS :

    51865-66-8

  • Molecular Formula : C17H24N2O5

  • Molecular Weight : 336.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281020

Diethyl (4-(dimethylamino)benzoyl)-L-glutamate

Diethyl (4-(dimethylamino)benzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281020

  • CAS :

    909874-43-7

  • Molecular Formula : C18H26N2O5

  • Molecular Weight : 350.42

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281021

Diethyl (4-chlorobenzoyl)-L-glutamate

Diethyl (4-chlorobenzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281021

  • CAS :

    NA

  • Molecular Formula : C16H20ClNO5

  • Molecular Weight : 341.79

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281022

Diethyl (4-hydroxybenzoyl)-L-glutamate

Diethyl (4-hydroxybenzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281022

  • CAS :

    57963-63-0

  • Molecular Formula : C16H21NO6

  • Molecular Weight : 323.35

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280121

Methotrexate - Impurity L (Zinc Salt)

(2S)-2-[[4-(Methylamino)benzoyl]amino]pentanedioic Acid Zinc Salt

  • Catalogue No.:PA 13 0280121

  • CAS :

    66104-81-2

  • Molecular Formula : C13H14N2O5Zn

  • Molecular Weight : 343.64

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281024

Methotrexate Diethyl Ester

Methotrexate Diethyl Ester

  • Catalogue No.:PA 13 0281024

  • CAS :

    43170-88-3

  • Molecular Formula : C24H30N8O5

  • Molecular Weight : 510.56

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281025

(S)-5-Ethoxy-2-(4-(methylamino)benzamido)-5-oxopentanoic Acid

(S)-5-Ethoxy-2-(4-(methylamino)benzamido)-5-oxopentanoic Acid

  • Catalogue No.:PA 13 0281025

  • CAS :

    NA

  • Molecular Formula : C15H20N2O5

  • Molecular Weight : 308.33

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281026

(S)-5-Ethoxy-4-(4-(methylamino)benzamido)-5-oxopentanoic Acid

(S)-5-Ethoxy-4-(4-(methylamino)benzamido)-5-oxopentanoic Acid

  • Catalogue No.:PA 13 0281026

  • CAS :

    NA

  • Molecular Formula : C15H20N2O5

  • Molecular Weight : 308.33

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281027

(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid

(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid

  • Catalogue No.:PA 13 0281027

  • CAS :

    65148-64-3

  • Molecular Formula : C22H26N8O5

  • Molecular Weight : 482.5

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281028

(S)-4-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid

(S)-4-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid

  • Catalogue No.:PA 13 0281028

  • CAS :

    65148-63-2

  • Molecular Formula : C22H26N8O5

  • Molecular Weight : 482.5

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA IPRS 83 18

Methotrexate (IPRS/83/18)

Methotrexate (IPRS/83/18)

  • Catalogue No.:PA IPRS 83 18

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281029

N-(4,6-Diaminopyrimidin-2-yl)nitrous Amide

N-(4,6-Diaminopyrimidin-2-yl)nitrous Amide

  • Catalogue No.:PA 13 0281029

  • CAS :

    NA

  • Molecular Formula : C4H6N6O

  • Molecular Weight : 154.13

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281030

Diethyl (3-(methylamino)benzoyl)-L-glutamate

Diethyl (3-(methylamino)benzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281030

  • CAS :

    2820151-35-5

  • Molecular Formula : C17H24N2O5

  • Molecular Weight : 336.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281031

Diethyl (2-(methylamino)benzoyl)-L-glutamate

Diethyl (2-(methylamino)benzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281031

  • CAS :

    1029980-84-4

  • Molecular Formula : C17H24N2O5

  • Molecular Weight : 336.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280122

Methotrexate - Impurity L (Disodium Salt)

(2S)-2-[[4-(Methylamino)benzoyl]amino]pentanedioic Acid Disodium Salt

  • Catalogue No.:PA 13 0280122

  • CAS :

    57444-71-0

  • Molecular Formula : C13H14N2Na2O5

  • Molecular Weight : 324.24

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281032

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamic Acid

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamic Acid

  • Catalogue No.:PA 13 0281032

  • CAS :

    NA

  • Molecular Formula : C20H21N9O6

  • Molecular Weight : 483.45

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281033

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-N-formyl-L-glutamic Acid

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzoyl)-N-formyl-L-glutamic Acid

  • Catalogue No.:PA 13 0281033

  • CAS :

    NA

  • Molecular Formula : C20H19N9O7

  • Molecular Weight : 497.43

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281034

Diethyl (4-(methyl(nitroso)amino)benzoyl)-D-glutamate

Diethyl (4-(methyl(nitroso)amino)benzoyl)-D-glutamate

  • Catalogue No.:PA 13 0281034

  • CAS :

    NA

  • Molecular Formula : C17H23N3O6

  • Molecular Weight : 365.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281035

Diethyl N-(4-(methylamino)benzoyl)-N-nitroso-D-glutamate

Diethyl N-(4-(methylamino)benzoyl)-N-nitroso-D-glutamate

  • Catalogue No.:PA 13 0281035

  • CAS :

    NA

  • Molecular Formula : C17H23N3O6

  • Molecular Weight : 365.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281036

Diethyl N-(4-(methyl(nitroso)amino)benzoyl)-N-nitroso-D-glutamate

Diethyl N-(4-(methyl(nitroso)amino)benzoyl)-N-nitroso-D-glutamate

  • Catalogue No.:PA 13 0281036

  • CAS :

    NA

  • Molecular Formula : C17H22N4O7

  • Molecular Weight : 394.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281037

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-D-glutamic Acid

N-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-D-glutamic Acid

  • Catalogue No.:PA 13 0281037

  • CAS :

    NA

  • Molecular Formula : C20H21N9O6

  • Molecular Weight : 483.45

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281038

Diethyl N-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamate

Diethyl N-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N-nitroso-L-glutamate

  • Catalogue No.:PA 13 0281038

  • CAS :

    NA

  • Molecular Formula : C24H29N9O6

  • Molecular Weight : 539.55

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280111

Methotrexate - Impurity K (Monosodium Salt)

(2S)-2-[(4-Aminobenzoyl)amino]pentanedioic Acid Monosodium Salt

  • Catalogue No.:PA 13 0280111

  • CAS :

    97772-96-8

  • Molecular Formula : C12H14N2NaO5

  • Molecular Weight : 289.24

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0280061

Methotrexate - Impurity F (Disodium salt)

(R)-Methotrexate Disodium

  • Catalogue No.:PA 13 0280061

  • CAS :

    NA

  • Molecular Formula : C20H20N8Na2O5

  • Molecular Weight : 498.41

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281039

Dimethyl (4-(methylamino)benzoyl)-L-glutamate

Dimethyl (4-(methylamino)benzoyl)-L-glutamate

  • Catalogue No.:PA 13 0281039

  • CAS :

    101810-76-8

  • Molecular Formula : C15H20N2O5

  • Molecular Weight : 308.33

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281040

(S)-5-Methoxy-4-(4-(methylamino)benzamido)-5-oxopentanoic Acid

(S)-5-Methoxy-4-(4-(methylamino)benzamido)-5-oxopentanoic Acid

  • Catalogue No.:PA 13 0281040

  • CAS :

    79974-20-2

  • Molecular Formula : C14H18N2O5

  • Molecular Weight : 294.31

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 089921

Methotrexate -13C,D3

Methotrexate -13C,D3

  • Catalogue No.:PA STI 089921

  • CAS :

    1786417-03-5

  • Molecular Formula : C1913CH19D3N8O5

  • Molecular Weight : 458.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281041

2,4,5,6-Tetraaminopyrimidine Sulfate 

2,4,5,6-Tetraaminopyrimidine Sulfate

  • Catalogue No.:PA 13 0281041

  • CAS :

    5392-28-9

  • Molecular Formula : C4H10N6O4S

  • Molecular Weight : 238.22

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 13 0281042

Diethyl (4-(methylamino)benzoyl)glutamate

Diethyl (4-(methylamino)benzoyl)glutamate

  • Catalogue No.:PA 13 0281042

  • CAS :

    82778-10-7

  • Molecular Formula : C17H24N2O5

  • Molecular Weight : 336.39

Enquire
Details
Periodic Table- Pharmaffiliates

Calculators
Periodic Table- Pharmaffiliates

Contact us

Ask A Scientist-Pharmaffiliates

Ask a Scientist
General Help

General Help
pharmaffiliates