1. Apoptosis Cell Cycle/DNA Damage
  2. Thymidylate Synthase Nucleoside Antimetabolite/Analog
  3. Raltitrexed

Raltitrexed  (Synonyms: ZD1694; D1694; ICI-D1694)

Cat. No.: HY-10821 Purity: 99.49%
SDS COA Handling Instructions

Raltitrexed is an antimetabolite agent used in chemotherapy, acting by inhibiting thymidylate synthase.

For research use only. We do not sell to patients.

Raltitrexed Chemical Structure

Raltitrexed Chemical Structure

CAS No. : 112887-68-0

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
USD 49 In-stock
Solution
10 mM * 1 mL in DMSO USD 49 In-stock
Solid
10 mg USD 55 In-stock
25 mg USD 127 In-stock
50 mg USD 223 In-stock
100 mg USD 380 In-stock
200 mg   Get quote  
500 mg   Get quote  

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Customer Review

Based on 8 publication(s) in Google Scholar

Top Publications Citing Use of Products
  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Raltitrexed is an antimetabolite agent used in chemotherapy, acting by inhibiting thymidylate synthase.

Cellular Effect
Cell Line Type Value Description References
A-375 IC50
4.68 μM
Compound: RTX
Cytotoxicity against human A-375 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human A-375 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
A549 IC50
0.81 μM
Compound: RTX
Cytotoxicity against human A549 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human A549 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
HCT-116 IC50
0.076 μM
Compound: RTX
Cytotoxicity against human HCT-116 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human HCT-116 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
HeLa IC50
5.51 μM
Compound: RTX
Cytotoxicity against human HeLa cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human HeLa cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
HepG2 IC50
1.3 μM
Compound: Raltitrexed, ZD1694
Cytotoxicity against human HepG2 cells after 48 hrs by MTT assay
Cytotoxicity against human HepG2 cells after 48 hrs by MTT assay
[PMID: 23490159]
HepG2 IC50
9.63 μM
Compound: RTX
Cytotoxicity against human HepG2 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human HepG2 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
IGROV-1 IC50
12.6 nM
Compound: RTX, ZD-1694
Antiproliferative activity against human IGROV1 cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs
Antiproliferative activity against human IGROV1 cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs
[PMID: 21879757]
IGROV-1 IC50
20 nM
Compound: RTX, ZD-1694
Antiproliferative activity against human IGROV1 cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs in the presence of 200 nM folic acid
Antiproliferative activity against human IGROV1 cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs in the presence of 200 nM folic acid
[PMID: 21879757]
KB IC50
22 nM
Compound: RTX
Antiproliferative activity against human KB cells expressing human RFC/FR-alpha/PCFT assessed as reduction in cell viability measured after 96 hrs in presence of folic acid by Cell-Titer Blue assay
Antiproliferative activity against human KB cells expressing human RFC/FR-alpha/PCFT assessed as reduction in cell viability measured after 96 hrs in presence of folic acid by Cell-Titer Blue assay
[PMID: 29425443]
KB IC50
22 nM
Compound: RTX, raltitrexed
Growth inhibition of human KB cells expressing human RFC/FRalpha/PCFT after 96 hrs by CellTiter-blue assay in presence of folic acid
Growth inhibition of human KB cells expressing human RFC/FRalpha/PCFT after 96 hrs by CellTiter-blue assay in presence of folic acid
[PMID: 24111942]
KB IC50
22 nM
Compound: RTX
Cytotoxicity against human KB cells assessed as cell growth inhibition incubated up to 96 hrs in presence of 200 nM folic acid by Celltiter-blue cell viability assay
Cytotoxicity against human KB cells assessed as cell growth inhibition incubated up to 96 hrs in presence of 200 nM folic acid by Celltiter-blue cell viability assay
[PMID: 25234128]
KB IC50
22 nM
Compound: RTX, ZD-1694
Antiproliferative activity against human KB cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs in the presence of 200 nM folic acid
Antiproliferative activity against human KB cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs in the presence of 200 nM folic acid
[PMID: 21879757]
KB IC50
5.9 nM
Compound: RTX
Antiproliferative activity against human KB cells expressing human RFC/FR-alpha/PCFT assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue assay
Antiproliferative activity against human KB cells expressing human RFC/FR-alpha/PCFT assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue assay
[PMID: 29425443]
KB IC50
5.9 nM
Compound: RTX, raltitrexed
Growth inhibition of human KB cells expressing human RFC/FRalpha/PCFT after 96 hrs by CellTiter-blue assay
Growth inhibition of human KB cells expressing human RFC/FRalpha/PCFT after 96 hrs by CellTiter-blue assay
[PMID: 24111942]
KB IC50
5.9 nM
Compound: RTX, ZD-1694
Antiproliferative activity against human KB cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs
Antiproliferative activity against human KB cells expressing human RFC, FRalpha and PCFT assessed as reduction of viable cells after 96 hrs
[PMID: 21879757]
KB IC50
5.9 nM
Compound: RTX
Cytotoxicity against human KB cells assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
Cytotoxicity against human KB cells assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
[PMID: 25234128]
MCF-10A IC50
> 20 μM
Compound: RTX
Cytotoxicity against human MCF-10A cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human MCF-10A cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
MCF7 IC50
10.9 μM
Compound: RTX
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human MCF7 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
MCF7 IC50
12.6 μM
Compound: Raltitrexed, ZD1694
Cytotoxicity against human MCF7 cells after 48 hrs by MTT assay
Cytotoxicity against human MCF7 cells after 48 hrs by MTT assay
[PMID: 23490159]
MDA-MB-231 IC50
> 20 μM
Compound: RTX
Cytotoxicity against human MDA-MB-231 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human MDA-MB-231 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
MGC-803 IC50
9.52 μM
Compound: RTX
Cytotoxicity against human MGC-803 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human MGC-803 cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
R2 IC50
> 1000 nM
Compound: RTX, ZD-1694
Antiproliferative activity against chinese hamster R2 cells assessed as reduction of viable cells after 96 hrs
Antiproliferative activity against chinese hamster R2 cells assessed as reduction of viable cells after 96 hrs
[PMID: 21879757]
R2 IC50
> 1000 nM
Compound: RTX
Cytotoxicity against Chinese hamster R2 cells assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
Cytotoxicity against Chinese hamster R2 cells assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
[PMID: 25234128]
R2 IC50
> 1000 nM
Compound: RTX
Cytotoxicity against Chinese hamster R2 cells expressing empty vector assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
Cytotoxicity against Chinese hamster R2 cells expressing empty vector assessed as cell growth inhibition incubated up to 96 hrs by Celltiter-blue cell viability assay
[PMID: 25234128]
R2 IC50
15 nM
Compound: RTX
Cytotoxicity in RFC-null Chinese hamster R2 cells assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue assay
Cytotoxicity in RFC-null Chinese hamster R2 cells assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue assay
[PMID: 29425443]
R2 IC50
15 nM
Compound: RTX
Cytotoxicity in RFC-null Chinese hamster R2 cells assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue fluorescence analysis
Cytotoxicity in RFC-null Chinese hamster R2 cells assessed as reduction in cell viability measured after 96 hrs by Cell-Titer Blue fluorescence analysis
[PMID: 27458733]
R2 IC50
99.5 nM
Compound: RTX, raltitrexed
Growth inhibition of Chinese hamster R2 cells expressing human PCFT4 after 96 hrs by CellTiter-blue assay
Growth inhibition of Chinese hamster R2 cells expressing human PCFT4 after 96 hrs by CellTiter-blue assay
[PMID: 24111942]
R2 IC50
99.5 nM
Compound: RTX
Cytotoxicity against chinese hamster R2 cells expressing human PCFT4 after 96 hrs by CellTitre-Blue fluorescence assay
Cytotoxicity against chinese hamster R2 cells expressing human PCFT4 after 96 hrs by CellTitre-Blue fluorescence assay
[PMID: 24256410]
R2 IC50
99.5 nM
Compound: RTX, ZD-1694
Antiproliferative activity against chinese hamster R2 cells expressing human PCFT assessed as reduction of viable cells after 96 hrs
Antiproliferative activity against chinese hamster R2 cells expressing human PCFT assessed as reduction of viable cells after 96 hrs
[PMID: 21879757]
SGC-7901 IC50
8.7 μM
Compound: Raltitrexed, ZD1694
Cytotoxicity against human SGC7901 cells after 48 hrs by MTT assay
Cytotoxicity against human SGC7901 cells after 48 hrs by MTT assay
[PMID: 23490159]
U2OS IC50
> 20 μM
Compound: RTX
Cytotoxicity against human U2OS cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
Cytotoxicity against human U2OS cells assessed as reduction in cell viability incubated for 72 hrs by MTS assay
[PMID: 36331508]
In Vitro

Raltitrexed inhibits HepG2 proliferation by arresting the cell cycle at G0/G1, and the cell cycle is mediated via downregulation of cyclin A and CDK2[1]. Raltitrexed (0.1, 0.5, 2.5 μg/mL) decreases the viability of SGC7901 cells in a dose- and time-dependent manner. Raltitrexed (0.5 μg/mL) shows typical apoptotic morphology, including nuclear shrinkage, fragmentation, chromatin condensation and apoptotic bodies in SGC7901 cells. Raltitrexed blocks the cell cycle at the G0/G1 phase, decreases in the mitochondrial membrane potential. Raltitrexed also increases the level of ROS, induces caspase-3-dependent apoptosis via activation of the mitochondria, and increases TS protein and mRNA expression levels[3]. Raltitrexed (1.5 nM) reduces the number of GM00637 cells, selectively induces gene conversions, but does not affect DSB-induced HR or NHEJ[4].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Raltitrexed (0, 5, 10, 11.5, 13.5, 15 mg/kg b/w, i.p.) increases the rates of resorbed embryos and growth retardation of murine model of NTDs in a dose dependent manner. Raltitrexed (11.5 mg/kg b/w) maximally inhibits the thymidylate synthase (TS) activity in embryonic tissue, decreases dTMP levels and while increases dUMP levels[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial
Molecular Weight

458.49

Formula

C21H22N4O6S

CAS No.
Appearance

Solid

Color

Off-white to yellow

SMILES

CC(NC1=O)=NC2=C1C=C(CN(C)C3=CC=C(C(N[C@H](C(O)=O)CCC(O)=O)=O)S3)C=C2

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : ≥ 29 mg/mL (63.25 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1811 mL 10.9054 mL 21.8107 mL
5 mM 0.4362 mL 2.1811 mL 4.3621 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

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Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (5.45 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (4.54 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.49%

References
Cell Assay
[4]

To assess the effect of Raltitrexed on cell viability and/or growth, GM00637 cells are plated into 25 cm2 flasks at a density of 3.3×105 cells per flask. Twenty four hours later, the medium is replaced with medium supplemented with various doses of Raltitrexed over a broad range of concentrations ranging from less than 1 nM to greater than 1 µM. Three flasks of cells are used for each dose tested. Cells are exposed to Raltitrexed for 24 hours, at which time the cells are refed with medium containing no Raltitrexed. Forty-eight hours after feeding with drug-free medium, cells are harvested and counted. The cell counts for the cells exposed to the various Raltitrexed doses are compared with the cell count for control cells not exposed to Raltitrexed as a measure of the impact of Raltitrexed on cell viability and/or growth rate.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[2]

The adult (7-8 week, 19-20 g) C57BL/6 mice are used in the experiment. Mice are maintained under 22°C with a 12 h light/day cycle and fed with standard mouse chow and tap water ad libitum. Female mice are mated with male overnight and vaginal plugs are examined in the following morning. The presence of vaginal plug in the pregnant mice is considered as gestational day 0.5. Pregnant mice are randomly divided into 6 groups with 10 mice in each group. Raltitrexed is dissolved in 0.9 % NaCl, and five groups are intraperitoneally injected with different doses of Raltitrexed (5, 10, 11.5, 13.5, 15 mg/kg b/w) on gestational day 7.5. The control group is intraperitoneally injected with 0.9 % NaCl at the same volume on gestational day 7.5. On gestational day 11.5, pregnant mice are sacrificed, and embryos are examined under dissect microscope.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1811 mL 10.9054 mL 21.8107 mL 54.5268 mL
5 mM 0.4362 mL 2.1811 mL 4.3621 mL 10.9054 mL
10 mM 0.2181 mL 1.0905 mL 2.1811 mL 5.4527 mL
15 mM 0.1454 mL 0.7270 mL 1.4540 mL 3.6351 mL
20 mM 0.1091 mL 0.5453 mL 1.0905 mL 2.7263 mL
25 mM 0.0872 mL 0.4362 mL 0.8724 mL 2.1811 mL
30 mM 0.0727 mL 0.3635 mL 0.7270 mL 1.8176 mL
40 mM 0.0545 mL 0.2726 mL 0.5453 mL 1.3632 mL
50 mM 0.0436 mL 0.2181 mL 0.4362 mL 1.0905 mL
60 mM 0.0364 mL 0.1818 mL 0.3635 mL 0.9088 mL
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Raltitrexed
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