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| Product | Description | |
|---|---|---|
| Folic Acid EP Impurity A (Methotrexate EP Impurity K) | An impurity of Methotrexate, an antimetabolite and immunosuppressant used in chemotherapy and auto-immune diseases. Synonyms: 4-Aminobenzoylglutamic Acid (USP); N-(4-Aminobenzoyl)-L-glutamic Acid; N-(p-Aminobenzoyl)glutamic Acid; N-(p-Aminobenzoyl)-L(+)-glutamic Acid. Grade: > 95%. CAS No. 4271-30-1. Molecular formula: C12H14N2O5. Mole weight: 266.25. |  |
| Folic Acid EP Impurity D (Methotrexate EP Impurity D) | Pteroic Acid is one of methotrexate impurities. Methotrexate is a folic acid antagonist, used as an antineoplastic and antirheumatic. Synonyms: Pteroic acid; Pyrofolic acid; p-[(2-Amino-4-hydroxy-6-pteridylmethyl)amino]benzoic Acid. Grade: > 85 %. CAS No. 119-24-4. Molecular formula: C14H12N6O3. Mole weight: 312.28. | |
| (2S)-2-(4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-methylbenzamido)benzamido)pentanedioic Acid | (2S)-2-(4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-methylbenzamido)benzamido)pentanedioic Acid is one of methotrexate impurities. Methotrexate is a Folic Acid antagonist, used as an antineoplastic and antirheumatic. Synonyms: Methotrexate Impurity G; Methotrexate EP Impurity G. Molecular formula: C28H29N9O6. Mole weight: 587.59. | |
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