Catalogue number: A628850
Chemical name: Aminopterin
Synonyms: N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic Acid; 4-Aminofolic Acid, 4-Aminopteroyl-L-glutamic Acid, 4-Amino-PGA; NSC 739; USP Methotrexate Related Compound B; Methotrexate EP Impurity B
Impurity: Methotrexate EP Impurity B
CAS Number: 54-62-6
Alternate CAS #: NA
Molecular form.: C₁₉H₂₀N₈O₅
Appearance: Dark Yellow Solid
Melting Point: >200°C (dec.)
Mol. Weight: 440.41
Storage: -20°C Freezer
Solubility: DMF, DMSO
Stability: No Data Available
Category: Amino Acids & Derivatives, Aromatics, Heterocycles, Inhibitors, Pharmaceuticals, Intermediates & Fine Chemicals
Boiling Point: No Data Available
Applications: Aminopterin (Methotrexate EP Impurity B) is a folic acid antagonist. Its actively transported into cells by thefolate transporter. In the cell, its converted to a high molecular weight polyglutamate metabolite by folylpolyglutamate synthase, that, in turn, binds to dihydrofolate reductase and inhibits its activity.
Dangerous Goods Info: Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g in the package

All Products are stable to be shipped at room temperature, unless otherwise specified.
MSDS: A628850.pdf
Keywords: Buy 54-62-6 | Purchase 54-62-6 | Order 54-62-6 | 54-62-6 supplier | 54-62-6 manufacturer | 54-62-6 distributor | 54-62-6 cost

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  Pack size Price(USD)
25mg $50.00
250mg $150.00
2.5g $530.00
  Pack size Price(USD)
100mg $85.00
500mg $280.00

Exact Weight Packaging ($75(USD) / Vial)
Inventory Status:   In Stock

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