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Antitumor agent-81

Antitumor agent-81 (compound 5 a) is a low cytotoxic P62-RNF168 agonist that promotes the interaction between P62 and RNF168.
Antitumor agent-81
Antitumor agent-81 Chemical Structure CAS No.: 2765180-17-2
Product category: E1 E2 E3 Enzyme
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Antitumor agent-81 (compound 5 a) is a low cytotoxic P62-RNF168 agonist that promotes the interaction between P62 and RNF168. Antitumor agent-81 induces RNF168-mediated reduction of H2A ubiquitination and impairs homologous recombination-mediated DNA repair. Antitumor agent-81 also inhibited mouse xenograft tumor growth in a dose-dependent manner.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
The most prevalent cancer types' cells show antiproliferative activity when exposed to antitumor agent-81 (0–20 µM; 72 h)[1]. In HCT-116 cells, antitumor agent-81 (1, 2, 5 µM; 24 h) impairs HR (homologous recombination)-mediated DSB repair[1]. In HCT-116 cells, antitumor agent-81 tethers the relationship between P62 and RNF168[1]. In HCT-116 cells, antitumor agent-81 inhibits RNF168's catalytic activity as well as RNF168 E3 ligase activity[1].
ln Vivo
Tumor volumes are suppressed in mice by antitumor agent-81 (5, 10 mg/kg; ip; once every three days for 22 days) in a dose-dependent manner[1]. 1.19 Antitumor agent-81 pharmacokinetic parameters in female BALB/c nude mice[1]. IP (5 mg/kg) 16.17 26.10 215.69 19647.83 IP (10 mg/kg) 31.00 39.87 408.18 16554.30 IP (20 mg/kg) 22.10 52.23 1003.58 14669.81 Dose T1/2 (h) Cmax (ng/mL) AUC0-t (h㻿ng/mL) CL ((mL/h)/kg)
Cell Assay
Cell Proliferation Assay[1]
Cell Types: A549, HCT-116, A375, HeLa, HepG2, MCF-7, MDA-MB-231, MGC-803, U2OS and MCF-10A cells
Tested Concentrations: 0 -20 µM
Incubation Duration: 72 h
Experimental Results: Inhibited A549, HCT-116, A375, HeLa, HepG2, MCF-7, MDA-MB-231, MGC-803, U2OS and MCF-10A cells, with IC50 values of 1.18, 0.36, 1.93, 2.48, 19.61, 2.79, 1.17, 1.88, 3.64 and 6.98, respectively.

Cell Cycle Analysis[1]
Cell Types: HCT-116 cells
Tested Concentrations: 1, 2, 5 µM
Incubation Duration: 24 h
Experimental Results: Induced a G2/M arrest but no significant accumulation of sub-G1 phase. Compromised both HR(homologous recombination)- and NHEJ (non-homologous end joining)- mediated DSB repair in a dose-dependent manner, but HR was the more severely impacted process .
Animal Protocol
Animal/Disease Models: Female BALB/c nude mice (xenograft tumor model)[1].
Doses: 5, 10 mg/kg
Route of Administration: intraperitoneal (ip) injection; single every 3 days for 22 days
Experimental Results: Suppressed tumor growth by promoting apoptosis in xenografted tumorigenesis.

Animal/Disease Models: Female BALB/c nude mice[1].
Doses: 5, 10, 20 mg/kg
Route of Administration: intraperitoneal (ip) injection; single
Experimental Results: demonstrated plasma concentration peaked 1 h after administration. demonstrated a relatively high maximum concentration (Cmax= 52.23 ng/mL) and exposure (AUC0-t= 1003.58 h·ng/mL) at a dose of 20 mg/kg.
References

[1]. A 1,2,3-Triazole Derivative of Quinazoline Exhibits Antitumor Activity by Tethering RNF168 to SQSTM1/P62. J Med Chem. 2022 Nov 4.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H19N7O3
Molecular Weight
393.399262666702
Exact Mass
393.154
CAS #
2765180-17-2
PubChem CID
163214076
Appearance
Off-white to light yellow solid powder
LogP
1.8
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
5
Heavy Atom Count
29
Complexity
530
Defined Atom Stereocenter Count
0
SMILES
COC1=CC(=CC(=C1OC)OC)N2C=C(N=N2)C3=CC4=C(C=C3)N=C(N=C4N)N
InChi Key
SWULRQWLALOGFO-UHFFFAOYSA-N
InChi Code
InChI=1S/C19H19N7O3/c1-27-15-7-11(8-16(28-2)17(15)29-3)26-9-14(24-25-26)10-4-5-13-12(6-10)18(20)23-19(21)22-13/h4-9H,1-3H3,(H4,20,21,22,23)
Chemical Name
6-[1-(3,4,5-trimethoxyphenyl)triazol-4-yl]quinazoline-2,4-diamine
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ≥ 60 mg/mL (~152.5 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.4 mg/mL (6.10 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (24.0 mg/mL) to 400 μL of PEG300 and mix well; then add 50 μL of Tween-80 and mix well; finally add 450 μL of physiological saline and adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.4 mg/mL (6.10 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (24.0 mg/mL) to 900 μL of 20% SBE-β-CD saline and mix well.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 3: ≥ 2.4 mg/mL (6.10 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (24.0 mg/mL) to 900 μL of corn oil and mix well.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5419 mL 12.7097 mL 25.4194 mL
5 mM 0.5084 mL 2.5419 mL 5.0839 mL
10 mM 0.2542 mL 1.2710 mL 2.5419 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
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Working concentration: mg/mL;

Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
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