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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
Smile: NC1=NC(N)=C2C(N=CC(CNC3=CC=C(C(N[C@]([H])(C(O)=O)CCC(O)=O)=O)C=C3)=N2)=N1
| CAT No | VS-M042002 |
| CAS No | 54-62-6 |
| Mol.F. | C19H20N8O5 |
| Mol.Wt. | 440.4 |
| Status | Custom Synthesis |
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Mol.F.: C19H20N8O5
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Methotrexate Hydrate EP Impurity B
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Mol.F.: C19H20N8O5 : H2O
Mol.Wt.: 440.4 : 18.0
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Methotrexate EP Impurity C
CAT No: VS-M042004
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Mol.F.: C20H21N7O6
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Mol.F.: C15H14N6O3
Mol.Wt.: 326.3
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Methotrexate Hydrate EP Impurity D
CAT No: VS-M042006
CAS No: 1189252-22-9
Mol.F.: C14H12N6O3 : H2O
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Methotrexate EP Impurity E
CAT No: VS-M042007
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Mol.F.: C15H15N7O2
Mol.Wt.: 325.3
Status: Custom Synthesis
Methotrexate EP Impurity F
CAT No: VS-M042008
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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
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Mol.F.: C21H24N8O5
Mol.Wt.: 468.5
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Methotrexate EP Impurity I
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Mol.F.: C21H24N8O5
Mol.Wt.: 468.5
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Methotrexate EP Impurity J
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Mol.F.: C22H28N8O5
Mol.Wt.: 482.5
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Methotrexate EP Impurity K
CAT No: VS-M042013
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Mol.F.: C12H14N2O5
Mol.Wt.: 266.3
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Methotrexate EP Impurity L
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Mol.F.: C13H16N2O5
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Methotrexate 7-Hydroxy Metabolite
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Mol.F.: C20H22N8O6
Mol.Wt.: 470.4
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Methotrexate Impurity
CAT No: VS-M042016
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Mol.F.: C7H8N6O : HCl
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Methotrexate Dimethylamide
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N-(4-chlorobenzoyl)-L-glutamic acid
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S-methylaminobenzoyl glutamicester
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Mol.F.: C17H24N2O5
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N-(4-hydroxybenzoyl)-L-Glutamic acid
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Mol.F.: C12H13NO6
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Methotrexate Impurity 1
CAT No: VS-M042023
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Mol.F.: C17H24N2O5
Mol.Wt.: 336.4
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Methotrexate Impurity 2
CAT No: VS-M042024
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Mol.F.: C17H24N2O5
Mol.Wt.: 336.4
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Methotrexate Impurity 3
CAT No: VS-M042025
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Mol.Wt.: 469.5
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R-Methotrexate
CAT No: VS-M042029
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Mol.F.: C20H20N8Na2O5
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