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Nolatrexed (AG-337) (Synonyms: AG337)

Catalog No.GC14681 Copy One-Click Copy Product Info

Nolatrexed (AG-337) (AG 337) is a non-competitive lipophilic inhibitor of thymidylate synthase, interacts at the folate cofactor binding site of the enzyme, with a Ki of 11 nM for human thymidylate synthase. Nolatrexed (AG-337) (AG 337) induces cell cycle arrest in S phase of cancer cells. Anti-cancer activity.

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Nolatrexed (AG-337) Chemical Structure

Cas No.: 152946-68-4

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Sample solution is provided at 25 µL, 10mM.



Description of Nolatrexed (AG-337)

Description:

IC50: 1.0, 0.81 and 1.0 μM for L1210, CCRF-CEM and GC3/M TK- cell lines, respectively

Thymidylate synthase (TS) is a crucial enzyme in the synthesis of 2'-deoxythymidine-5'-monophosphate, an essential precursor for DNA biosynthesis. Thus, this enzyme is a critical target in cancer chemotherapy. Nolatrexed (AG-337) is a non-classical thymidylate synthase inhibitor.

In vitro: Nolatrexed was designed using X-ray crystallographic data from the TS molecular modeling and folate binding site. It is a non-classical TS inhibitor in that it lacks a terminal glutamate side chain and is uncharged at physiological pH. Nolatrexed does not require a specific transport mechanism to enter into cells and, once within the cell, is not a substrate for the enzyme folyl polyglutamate synthetase [1].

In vivo: When nolatrexed was administered to nude mice bearing Bu25TK- tumor xenografts, a time-dependent increase in antitumor activity was observed [1].

Clinical trial: Phase I clinical studies showed that Nolatrexed can be safely administered to cancer patients at a dose of 800 mg/m2/d over 5 days by continuous intravenous infusion and this schedule is associated with antitumor effects [2].

Reference:
[1] Hughes AN, Rafi I, Griffin MJ, Calvert AH, Newell DR, Calvete JA, Johnston A, Clendeninn N, Boddy AV.  Phase I studies with the nonclassical antifolate nolatrexed dihydrochloride (AG337, THYMITAQ) administered orally for 5 days. Clin Cancer Res. 1999 Jan;5(1):111-8.
[2] Rafi I, Boddy AV, Calvete JA, Taylor GA, Newell DR, Bailey NP, Lind MJ, Green M, Hines J, Johnstone A, Clendeninn N, Calvert AH.  Preclinical and phase I clinical studies with the nonclassical antifolate thymidylate synthase inhibitor nolatrexed dihydrochloride given by prolonged administration in patients with solid tumors. J Clin Oncol. 1998 Mar;16(3):1131-41.

Chemical Properties of Nolatrexed (AG-337)

Cas No. 152946-68-4 SDF
Synonyms AG337
Chemical Name 2-imino-6-methyl-5-(pyridin-4-ylthio)-1,2-dihydroquinazolin-4-ol dihydrochloride
Canonical SMILES CC1=C(SC2=CC=NC=C2)C(C(O)=NC3=N)=C(N3)C=C1.Cl.Cl
Formula C14H14Cl2N4OS M.Wt 357.26
Solubility ≥ 17.2mg/mL in DMSO Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table of Nolatrexed (AG-337)

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1 mg 5 mg 10 mg
1 mM 2.7991 mL 13.9954 mL 27.9908 mL
5 mM 559.8 μL 2.7991 mL 5.5982 mL
10 mM 279.9 μL 1.3995 mL 2.7991 mL
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Average Rating: 5 ★★★★★ (Based on Reviews and 8 reference(s) in Google Scholar.)

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