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Methotrexate EP Impurity B
Chemical Name: (2S)-2-[[4-[[(2,4-diaminopteridin-6-yl)methyl]amino]benzoyl]amino]pentanedioic acid
Synonym: Methotrexate USP Related Compound B ; Aminopterin ; 4-aminofolic acid
| CAT No: | VS-M042002 |
| CAS No: | 54-62-6 |
| Mol.F. | C19H20N8O5 |
| Mol.Wt.: | 440.4 |
| Status: | Custom Synthesis |
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Methotrexate
CAT No: VS-M042000
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Methotrexate EP Impurity A
CAT No: VS-M042001
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Mol.F.: C7H8N6O
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Methotrexate EP Impurity B
CAT No: VS-M042002
CAS No: 54-62-6
Mol.F.: C19H20N8O5
Mol.Wt.: 440.4
Status: Custom Synthesis
Methotrexate Hydrate EP Impurity B
CAT No: VS-M042003
CAS No: 1217459-90-9
Mol.F.: C19H20N8O5 : H2O
Mol.Wt.: 440.4 : 18.0
Status: Custom Synthesis
Methotrexate EP Impurity C
CAT No: VS-M042004
CAS No: 2410-93-7
Mol.F.: C20H21N7O6
Mol.Wt.: 455.2
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Methotrexate EP Impurity D
CAT No: VS-M042005
CAS No: 5623-18-7
Mol.F.: C15H14N6O3
Mol.Wt.: 326.3
Status: Custom Synthesis
Methotrexate Hydrate EP Impurity D
CAT No: VS-M042006
CAS No: 1189252-22-9
Mol.F.: C14H12N6O3 : H2O
Mol.Wt.: 312.3 : 18.0
Status: Custom Synthesis
Methotrexate EP Impurity E
CAT No: VS-M042007
CAS No: 19741-14-1
Mol.F.: C15H15N7O2
Mol.Wt.: 325.3
Status: Custom Synthesis
Methotrexate EP Impurity F
CAT No: VS-M042008
CAS No: 51865-79-3
Mol.F.: C20H22N8O5
Mol.Wt.: 454.4
Status: Custom Synthesis
Methotrexate EP Impurity G
CAT No: VS-M042009
CAS No: N/A
Mol.F.: C28H29N9O6
Mol.Wt.: 587.6
Status: Custom Synthesis
Methotrexate EP Impurity H
CAT No: VS-M042010
CAS No: 67022-39-3
Mol.F.: C21H24N8O5
Mol.Wt.: 468.5
Status: In Stock
Methotrexate EP Impurity I
CAT No: VS-M042011
CAS No: 66147-29-3
Mol.F.: C21H24N8O5
Mol.Wt.: 468.5
Status: In Stock
Methotrexate EP Impurity J
CAT No: VS-M042012
CAS No: 34378-65-9
Mol.F.: C22H28N8O5
Mol.Wt.: 482.5
Status: Custom Synthesis
Methotrexate EP Impurity K
CAT No: VS-M042013
CAS No: 4271-30-1
Mol.F.: C12H14N2O5
Mol.Wt.: 266.3
Status: Custom Synthesis
Methotrexate EP Impurity L
CAT No: VS-M042014
CAS No: 52980-68-4
Mol.F.: C13H16N2O5
Mol.Wt.: 280.3
Status: Custom Synthesis
Methotrexate 7-Hydroxy Metabolite
CAT No: VS-M042015
CAS No: 5939-37-7
Mol.F.: C20H22N8O6
Mol.Wt.: 470.4
Status: Custom Synthesis
Methotrexate Impurity
CAT No: VS-M042016
CAS No: 73978-41-3
Mol.F.: C7H8N6O : HCl
Mol.Wt.: 192.2 : 36.5
Status: Custom Synthesis
Methotrexate Dimethylamide
CAT No: VS-M042017
CAS No: 71074-44-7
Mol.F.: C22H27N9O4
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2,4-Diaminopteridine
CAT No: VS-M042018
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6-Methyl-2,4-pteridinediamine
CAT No: VS-M042019
CAS No: 708-74-7
Mol.F.: C7H8N6
Mol.Wt.: 176.2
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N-(4-chlorobenzoyl)-L-glutamic acid
CAT No: VS-M042020
CAS No: 57444-70-9
Mol.F.: C12H12ClNO5
Mol.Wt.: 285.7
Status: Custom Synthesis
S-methylaminobenzoyl glutamicester
CAT No: VS-M042021
CAS No: 2378-95-2
Mol.F.: C17H24N2O5
Mol.Wt.: 336.4
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N-(4-hydroxybenzoyl)-L-Glutamic acid
CAT No: VS-M042022
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Mol.F.: C12H13NO6
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Status: Custom Synthesis
Methotrexate Impurity 1
CAT No: VS-M042023
CAS No: 1029980-84-4
Mol.F.: C17H24N2O5
Mol.Wt.: 336.4
Status: Custom Synthesis
Methotrexate Impurity 2
CAT No: VS-M042024
CAS No: N/A
Mol.F.: C17H24N2O5
Mol.Wt.: 336.4
Status: Custom Synthesis
Methotrexate Impurity 3
CAT No: VS-M042025
CAS No: N/A
Mol.F.: C25H31N3O6
Mol.Wt.: 469.5
Status: Custom Synthesis
Methotrexate Impurity 11
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Mol.F.: C15H14N6O3
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Methotrexate Impurity 5
CAT No: VS-M042027
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Mol.F.: C7H8N6
Mol.Wt.: 176.2
Status: Custom Synthesis
Methotrexate EP Impurity E (HCl Salt)
CAT No: VS-M042028
CAS No: 70844-48-3
Mol.F.: C30H31ClN14O4
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Status: Custom Synthesis
R-Methotrexate
CAT No: VS-M042029
CAS No: N/A
Mol.F.: C20H20N8Na2O5
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Methotrexate Impurity 12
CAT No: VS-M042030
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Mol.F.: C23H28N8O5
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Methotrexate Impurity 13
CAT No: VS-M042031
CAS No: N/A
Mol.F.: C23H28N8O5
Mol.Wt.: 496.5
Status: Custom Synthesis
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