Methotrexate
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We synthesize Methotrexate Degradation Impurities, Methotrexate Process Impurities, Methotrexate Potential Impurities, Methotrexate USP Related Compound, Methotrexate N-Nitroso impurities, Methotrexate nitrosamine impurities etc.
Pharmaceutical Reference Standards
Methotrexate
| CAT. No. | CP-M12000 |
|---|---|
| CAS. No. | 59-05-2 |
| Mol. F. | C20H22N8O5 |
| Mol. Wt. | 454.45 |
| Stock Status: | In stock |
Methotrexate EP Impurity A
| CAT. No. | CP-M12001 |
|---|---|
| CAS. No. | 945-24-4 |
| Mol. F. | C7H8N6O |
| Mol. Wt. | 192.18 |
| Stock Status: | In Stock |
Methotrexate EP Impurity B
| CAT. No. | CP-M12002 |
|---|---|
| CAS. No. | 54-62-6 |
| Mol. F. | C19H20N8O5 |
| Mol. Wt. | 440.42 |
| Stock Status: | In Stock |
Methotrexate EP Impurity D
| CAT. No. | CP-M12004 |
|---|---|
| CAS. No. | 119-24-4 |
| Mol. F. | C14H12N6O3 |
| Mol. Wt. | 312.29 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity E
| CAT. No. | CP-M12005 |
|---|---|
| CAS. No. | 19741-14-1 |
| Mol. F. | C15H15N7O2 |
| Mol. Wt. | 325.33 |
| Stock Status: | In Stock |
Methotrexate EP Impurity F
| CAT. No. | CP-M12006 |
|---|---|
| CAS. No. | 51865-79-3 |
| Mol. F. | C20H22N8O5 |
| Mol. Wt. | 454.45 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity G
| CAT. No. | CP-M12007 |
|---|---|
| CAS. No. | 2519848-42-9 |
| Mol. F. | C28H29N9O6 |
| Mol. Wt. | 589.61 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity H
| CAT. No. | CP-M12008 |
|---|---|
| CAS. No. | 67022-39-3 |
| Mol. F. | C21H24N8O5 |
| Mol. Wt. | 470.49 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity L
| CAT. No. | CP-M12009 |
|---|---|
| CAS. No. | 52980-68-4 |
| Mol. F. | C13H16N2O5 |
| Mol. Wt. | 280.28 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity K
| CAT. No. | CP-M12011 |
|---|---|
| CAS. No. | 4271-30-1 |
| Mol. F. | C12H14N2O5 |
| Mol. Wt. | 266.25 |
| Stock Status: | In Stock |
Methotrexate Hydrate EP Impurity D
| CAT. No. | CP-M12012 |
|---|---|
| CAS. No. | 1189252-22-9 |
| Mol. F. | C14H12N6O3 : H2O |
| Mol. Wt. | 312.3 : 18.0 |
| Stock Status: | Custom Synthesis |
N-Nitroso Methotrexate EP Impurity L
| CAT. No. | CP-M12014 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C13H15N3O6 |
| Mol. Wt. | 309.27 |
| Stock Status: | Custom Synthesis |
N-Nitroso Methotrexate EP Impurity B
| CAT. No. | CP-M12015 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C19H19N9O6 |
| Mol. Wt. | 469.41 |
| Stock Status: | Please Enquire |
S-methylaminobenzoyl glutamicester
| CAT. No. | CP-M12016 |
|---|---|
| CAS. No. | 2378-95-2 |
| Mol. F. | C17H24N2O5 |
| Mol. Wt. | 336.39 |
| Stock Status: | Custom Synthesis |
Diethyl N-(3-Methylaminobenzoyl)-L-glutamate
| CAT. No. | CP-M12017 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H24N2O5 |
| Mol. Wt. | 336.39 |
| Stock Status: | In Stock |
N-Nitroso Methotrexate EP Impurity F
| CAT. No. | CP-M12018 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C20H21N9O6 |
| Mol. Wt. | 483.44 |
| Stock Status: | Please Enquire |
N,N-Dinitroso Methotrexate EP Impurity L
| CAT. No. | CP-M12019 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C13H14N4O7 |
| Mol. Wt. | 338.28 |
| Stock Status: | Please Enquire |
N-Nitroso Methotrexate
| CAT. No. | CP-M12020 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C20H21N9O6 |
| Mol. Wt. | 483.44 |
| Stock Status: | Please Enquire |
N-Nitroso Methotrexate Impurity 1
| CAT. No. | CP-M12021 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C21H21N9O6 : 2(Na) |
| Mol. Wt. | 495.46 : 2(23.0) |
| Stock Status: | Please Enquire |
N-Nitroso Methotrexate Impurity 2
| CAT. No. | CP-M12022 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C20H19N9O7 |
| Mol. Wt. | 497.43 |
| Stock Status: | Custom Synthesis |
N-Nitroso Methotrexate Impurity 3
| CAT. No. | CP-M12023 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H23N3O6 |
| Mol. Wt. | 365.39 |
| Stock Status: | Custom Synthesis |
N-Nitroso Methotrexate Impurity 4
| CAT. No. | CP-M12024 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H23N3O6 |
| Mol. Wt. | 365.39 |
| Stock Status: | Please Enquire |
N-Nitroso Methotrexate Impurity 5
| CAT. No. | CP-M12025 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H22N4O7 |
| Mol. Wt. | 394.38 |
| Stock Status: | Please Enquire |
N-Nitroso Methotrexate Diethyl Ester
| CAT. No. | CP-M12026 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C24H29N9O6 |
| Mol. Wt. | 539.55 |
| Stock Status: | Please Enquire |
N-Nitroso S-Methylaminobenzoyl Glutamicester
| CAT. No. | CP-M12027 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H23N3O6 |
| Mol. Wt. | 365.39 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 1
| CAT. No. | CP-M12028 |
|---|---|
| CAS. No. | 1029980-84-4 |
| Mol. F. | C17H24N2O5 |
| Mol. Wt. | 336.39 |
| Stock Status: | In Stock |
Methotrexate EP Impurity I
| CAT. No. | CP-M12029 |
|---|---|
| CAS. No. | 66147-29-3 |
| Mol. F. | C21H24N8O5 |
| Mol. Wt. | 468.47 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity J
| CAT. No. | CP-M12030 |
|---|---|
| CAS. No. | 34378-65-9 |
| Mol. F. | C22H26N8O5 |
| Mol. Wt. | 482.5 |
| Stock Status: | Custom Synthesis |
7-Hydroxy Methotrexate
| CAT. No. | CP-M12031 |
|---|---|
| CAS. No. | 5939-37-7 |
| Mol. F. | C20H22N8O6 |
| Mol. Wt. | 470.45 |
| Stock Status: | Custom Synthesis |
Methotrexate Dimethylamide
| CAT. No. | CP-M12032 |
|---|---|
| CAS. No. | 71074-44-7 |
| Mol. F. | C22H27N9O4 |
| Mol. Wt. | 481.52 |
| Stock Status: | Custom Synthesis |
6-Methyl-2,4-pteridinediamine
| CAT. No. | CP-M12033 |
|---|---|
| CAS. No. | 708-74-7 |
| Mol. F. | C7H8N6 |
| Mol. Wt. | 176.18 |
| Stock Status: | Custom Synthesis |
N-(4-chlorobenzoyl)-L-glutamic acid
| CAT. No. | CP-M12034 |
|---|---|
| CAS. No. | 57444-70-9 |
| Mol. F. | C12H12ClNO5 |
| Mol. Wt. | 285.68 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 8
| CAT. No. | CP-M12035 |
|---|---|
| CAS. No. | 909874-43-7 |
| Mol. F. | C18H26N2O5 |
| Mol. Wt. | 350.18 |
| Stock Status: | In Stock |
N-(4-hydroxybenzoyl)-L-Glutamic acid
| CAT. No. | CP-M12036 |
|---|---|
| CAS. No. | 119843-02-6 |
| Mol. F. | C12H13NO6 |
| Mol. Wt. | 267.24 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 19
| CAT. No. | CP-M12037 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C23H28N8O5 |
| Mol. Wt. | 496.53 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 18
| CAT. No. | CP-M12038 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C23H28N8O5 |
| Mol. Wt. | 496.53 |
| Stock Status: | Custom Synthesis |
Methotrexate Dihydrate
| CAT. No. | CP-M12039 |
|---|---|
| CAS. No. | 1212284-68-8 |
| Mol. F. | C20H22N8O5 : 2(H2O) |
| Mol. Wt. | 454.45 : 2(18.02) |
| Stock Status: | Custom Synthesis |
Methotrexate Hydrate EP Impurity B
| CAT. No. | CP-M12040 |
|---|---|
| CAS. No. | 1217459-90-9 |
| Mol. F. | C19H20N8O5 : H2O |
| Mol. Wt. | 440.42 : 18.02 |
| Stock Status: | Custom Synthesis |
Methotrexate EP Impurity C
| CAT. No. | CP-M12041 |
|---|---|
| CAS. No. | 2410-93-7 |
| Mol. F. | C20H21N7O6 |
| Mol. Wt. | 455.43 |
| Stock Status: | Custom Synthesis |
2,4-Diaminopteridine
| CAT. No. | CP-M12042 |
|---|---|
| CAS. No. | 1127-93-1 |
| Mol. F. | C6H6N6 |
| Mol. Wt. | 162.16 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 2
| CAT. No. | CP-M12043 |
|---|---|
| CAS. No. | 51865-66-8 |
| Mol. F. | C17H24N2O5 |
| Mol. Wt. | 336.39 |
| Stock Status: | Custom Synthesis |
(+/-)Amethopterin
| CAT. No. | CP-M12044 |
|---|---|
| CAS. No. | 60388-53-6 |
| Mol. F. | C20H22N8O5 |
| Mol. Wt. | 454.45 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 4
| CAT. No. | CP-M12045 |
|---|---|
| CAS. No. | 52030-86-1 |
| Mol. F. | C13H16N2O5 |
| Mol. Wt. | 280.28 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 5
| CAT. No. | CP-M12046 |
|---|---|
| CAS. No. | 4215-07-0 |
| Mol. F. | C7H8N6 |
| Mol. Wt. | 176.18 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 7
| CAT. No. | CP-M12047 |
|---|---|
| CAS. No. | 57963-63-0 |
| Mol. F. | C16H21NO6 |
| Mol. Wt. | 323.35 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 9
| CAT. No. | CP-M12048 |
|---|---|
| CAS. No. | 10541-83-0 |
| Mol. F. | C8H9NO2 |
| Mol. Wt. | 151.17 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 11
| CAT. No. | CP-M12049 |
|---|---|
| CAS. No. | 34794-87-1 |
| Mol. F. | C15H14N6O3 |
| Mol. Wt. | 326.32 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 12
| CAT. No. | CP-M12050 |
|---|---|
| CAS. No. | 881-33-4 |
| Mol. F. | C7H8N6O |
| Mol. Wt. | 192.18 |
| Stock Status: | Custom Synthesis |
Methotrexate Diethyl Ester
| CAT. No. | CP-M12051 |
|---|---|
| CAS. No. | 43170-88-3 |
| Mol. F. | C24H30N8O5 |
| Mol. Wt. | 510.56 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 15
| CAT. No. | CP-M12052 |
|---|---|
| CAS. No. | 65148-64-3 |
| Mol. F. | C22H26N8O5 |
| Mol. Wt. | 482.5 |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 16
| CAT. No. | CP-M12053 |
|---|---|
| CAS. No. | 65148-63-2 |
| Mol. F. | C22H26N8O5 |
| Mol. Wt. | 482.5 |
| Stock Status: | Custom Synthesis |
Methotrexate Disodium
| CAT. No. | CP-M12054 |
|---|---|
| CAS. No. | 7413-34-5 |
| Mol. F. | C20H20N8O52 : 2(Na) |
| Mol. Wt. | 452.43 : 2(22.99) |
| Stock Status: | Custom Synthesis |
Methotrexate Impurity 17
| CAT. No. | CP-M12055 |
|---|---|
| CAS. No. | 2820151-35-5 |
| Mol. F. | C17H24N2O5 |
| Mol. Wt. | 336.39 |
| Stock Status: | Custom Synthesis |
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