1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]-

1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Suppliers list
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1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- manufacturers

  • Simmiparib
  • Simmiparib pictures
  • $117.00
  • 2026-07-27
  • CAS:1551355-46-4
  • Purity: 99.05%
  • Supply Ability: 10g
1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Basic information
Product Name:1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]-
Synonyms:1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]-
CAS:1551355-46-4
MF:C23H18F4N6O2
MW:486.42
EINECS:
Product Categories:
Mol File:1551355-46-4.mol
1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Structure
1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Chemical Properties
density 1.56±0.1 g/cm3(Predicted)
storage temp. Store at -20°C
solubility DMSO : 100 mg/mL (205.58 mM; ultrasonic and warming and heat to 60°C)
form Solid
pka12.06±0.40(Predicted)
color White to off-white
Safety Information
MSDS Information
1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Usage And Synthesis
UsesSimmiparib is a highly potent and orally active PARP1 and PARP2 inhibitor with IC50 values of 1.75 nM and 0.22 nM, respectively. Simmiparib has more potent PARP1/2 inhibition than its parent Olaparib (HY-10162). Simmiparib induces DNA double-strand breaks (DSB) accumulation and G2/M arrest in homologous recombination repair (HR)-deficient cells, thereby inducing apoptosis. Simmiparib exhibits remarkable anticancer activities in cells and nude mice bearing xenografts[1].
in vivo

Simmiparib (2, 4 and 8 mg/kg; p.o.; qd, for 14 days) inhibits the growth of tumor in V-C8 (BRCA2-/-) and MDA-MB-436 (BRCA2-/-) xenograft mice models[1].
Simmiparib (10 and 50 mg/kg; p.o.; qd, for 42 days) inhibits the growth of BRCA1-mutated breast cancer in xenograft mice model[1].

Animal Model:Female BALB/cA nude mice (Subcutaneously injected with BRCA2-/- V-C8 cells and BRCA2-/- MDA-MB-436 cells)[1]
Dosage:2, 4 and 8 mg/kg
Administration:p.o.; qd, for 14 days
Result:Apparently inhibited the growth of the V-C8 tumor with an inhibition rate of 74.53% at 8mg/kg.
Suppressed the growth of the BRCA1-deficient MDA-MB-436 xenografts in a dose-dependent manner with its average inhibition rates of 64.93, 82.98 and 85.79% at 2, 4 and 8mg/kg.
Did not cause significant loss of body weight.
Animal Model:Female BALB/cA nude mice (Subcutaneously injected with cancer cells derived from BRCA1-mutated BR-05-0028 breast cancer tissue)[1]
Dosage:10 and 50 mg/kg
Administration:p.o.; qd, for 42 days
Result:Elicited dose-dependent growth inhibition with the inhibition rate of 76.73% and 93.82% at 10 mg/kg and 50 mg/kg, respectively.
IC 50PARP1: 0.74 nM (IC50); PARP2: 0.22 nM (IC50)
References[1] Yuan B, et al. Poly(ADP-ribose)polymerase (PARP) inhibition and anticancer activity of simmiparib, a new inhibitor undergoing clinical trials. Cancer Lett. 2017 Feb 1;386:47-56. DOI:10.1016/j.canlet.2016.11.010
1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]- Preparation Products And Raw materials
Tag:1(2H)-Phthalazinone, 4-[[3-[[5,6-dihydro-5-methyl-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]carbonyl]-4-fluorophenyl]methyl]-(1551355-46-4) Related Product Information
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