NI-57

This product is for research use only, not for human use. We do not sell to patients.

NI-57
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Cat #: V26460 CAS #: 1883548-89-7 Purity ≥ 99%

Description: NI-57 is a potent inhibitor of the bromodomains of BRPF proteins that binds to BRPF1B, BRPF2, and BRPF3 with Kd values of 31, 108, and 408 nM, respectively

References: Igoe N, et al. Design of a Chemical Probe for the Bromodomain and Plant Homeodomain Finger-Containing (BRPF) Family of Proteins. J Med Chem. 2017 Aug 24;60(16):6998-7011.

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Molecular Weight (MW)383.42
Molecular FormulaC19H17N3O4S
CAS No.1883548-89-7
SMILES CodeO=S(C1=CC=C(C#N)C=C1OC)(NC2=CC3=C(N(C)C(C(C)=C3)=O)C=C2)=O
SynonymsNI-57; NI 57; NI57
ProtocolIn VitroNI-57 is an inhibitor of bromodomain and plant homeodomain finger-containing (BRPF), with IC50s of 3.1, 46 and 140 nM for BRPF1, BRPF2 (BRD1) and BRPF3, respectively. NI-57 binds the BRD of BRPF1 with a Kd of 31 ± 2 nM, BRD1 with a Kd of 110 ± 13 nM, and BRPF3 with a Kd of 410 ± 47 nM, whereas binding to BRD9 is weaker (Kd 1000 ± 130 nM) measured by isothermal titration calorimetry. NI-57 shows less active effect on BRD9 (IC50, 520 nM) and BRD4 (BD1) (IC50, 3700 nM), TRIM24 (IC50, 1600 nM). NI-57 also inhibits BRPF BRDs in the nucleus, but shows little effect on the proliferation of many cancer cell lines with GI50s of 10.4 μM (NCI-H1703 cells), 14.7 μM (DMS114), 15.6 μM (HRA-19), and 16.6 μM (RERF-LC-Sq1). Furthermore, Inhibition on BRPF1 of NI-57 (10 μM) reduces the gene expression of CCL-22 by 27.7 ± 9.4%.
In VivoNI-57 has favorable oral bioavailability in mice.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM2.6081 mL13.0405 mL26.0811 mL52.1621 mL
5mM0.5216 mL2.6081 mL5.2162 mL10.4324 mL
10mM0.2608 mL1.3041 mL2.6081 mL5.2162 mL
20mM0.1304 mL0.6520 mL1.3041 mL2.6081 mL
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
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The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

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Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid 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 master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (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.
  • (2) Be sure to add the solvent(s) in order.