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Methotrexate α-tert-butyl ester

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Catalog No. T72123Cas No. 79640-70-3

Methotrexate α-tert-butyl ester is a protected analog of the antineoplastic and immunosuppressive drug methotrexate (MTX), in which the β-carboxyl group of the L-glutamate moiety is esterified with a tert-butyl group. Methotrexate α-tert-butyl ester is primarily used in chemical synthesis and prodrug development studies.

Methotrexate α-tert-butyl ester

Methotrexate α-tert-butyl ester

😃Good
Catalog No. T72123Cas No. 79640-70-3
Methotrexate α-tert-butyl ester is a protected analog of the antineoplastic and immunosuppressive drug methotrexate (MTX), in which the β-carboxyl group of the L-glutamate moiety is esterified with a tert-butyl group. Methotrexate α-tert-butyl ester is primarily used in chemical synthesis and prodrug development studies.
Pack SizePriceUSA WarehouseGlobal WarehouseQuantity
1 mg$93-In Stock
5 mg$228-In Stock
10 mg$372-In Stock
25 mg$613-In Stock
50 mg$869-In Stock
100 mg$1,170-In Stock
200 mg$1,570-In Stock
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
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Product Introduction

Bioactivity
Description
Methotrexate α-tert-butyl ester is a protected analog of the antineoplastic and immunosuppressive drug methotrexate (MTX), in which the β-carboxyl group of the L-glutamate moiety is esterified with a tert-butyl group. Methotrexate α-tert-butyl ester is primarily used in chemical synthesis and prodrug development studies.
In vitro
MTX-PVG exhibits activity against HT1080 cells, the OtBu-MTX-PVG derivative(Methotrexate α-tert-butyl ester) is less active, indicating that protecting the α-carboxyl group of MTX Results in decreased in vitro activity.[1]
In vivo
In HT1080 tumor-bearing mice, Methotrexate α-tert-butyl ester significantly inhibits tumor growth. This finding suggests that protecting the α-carboxyl group of methotrexate can enhance the circulatory half-life and minimize liver accumulation for similar dendrimer conjugates without compromising their in vivo antitumor efficacy.[1]
Chemical Properties
Molecular Weight510.555
FormulaC24H30N8O5
Cas No.79640-70-3
SmilesNC=1C2=C(N=C(N)N1)N=CC(CN(C)C3=CC=C(C(N[C@H](C(OC(C)(C)C)=O)CCC(O)=O)=O)C=C3)=N2
ColorYellow
AppearanceSolid
Storage & Solubility Information
Storagestore at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility Information
DMSO: 80.00 mg/mL (156.69 mM), Sonication is recommended.
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM1.9587 mL9.7933 mL19.5865 mL97.9326 mL
5 mM0.3917 mL1.9587 mL3.9173 mL19.5865 mL
10 mM0.1959 mL0.9793 mL1.9587 mL9.7933 mL
20 mM0.0979 mL0.4897 mL0.9793 mL4.8966 mL
50 mM0.0392 mL0.1959 mL0.3917 mL1.9587 mL
100 mM0.0196 mL0.0979 mL0.1959 mL0.9793 mL

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TargetMol | Animal experimentsFor example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . TargetMol | Animal experiments A total of 10 animals were administered, and the formula you used is 5% TargetMol | reagent DMSO+30% PEG300+5% Tween 80+60% Saline/PBS/ddH2O. So your working solution concentration is 2 mg/mL。
Stock solution preparation method: 2 mg of drug dissolved in 50 μL DMSOTargetMol | reagent (stock solution concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
Preparation method for in vivo formula: Take 50 μL DMSOTargetMol | reagent main solution, add 300 μLPEG300TargetMol | reagent mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLSaline/PBS/ddH2OTargetMol | reagent mix well and clarify
The above example illustrates how to use "In Vivo Formulation Calculator" and does not represent a recommended formulation for any specific compound. Please select an appropriate dissolution method based on your experimental animals and route of administration.
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