1. Cell Cycle/DNA Damage Apoptosis
  2. CRISPR/Cas9 DNA/RNA Synthesis Apoptosis
  3. SCR7 pyrazine

SCR7 pyrazine 

Cat. No.: HY-107845 Purity: 99.96%
COA Handling Instructions

SCR7 pyrazine is a DNA ligase IV inhibitor that blocks nonhomologous end-joining (NHEJ) in a ligase IV-dependent manner. SCR7 pyrazine is also a CRISPR/Cas9 enhancer which increases the efficiency of Cas9-mediated homology-directed repair (HDR). SCR7 pyrazine induces cell apoptosis and has anticancer activity.

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

SCR7 pyrazine Chemical Structure

SCR7 pyrazine Chemical Structure

CAS No. : 14892-97-8

Size Price Stock Quantity
Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 103 In-stock
Solution
10 mM * 1 mL in DMSO USD 103 In-stock
Solid
5 mg USD 94 In-stock
10 mg USD 176 In-stock
25 mg USD 363 In-stock
50 mg USD 616 In-stock
100 mg   Get quote  
200 mg   Get quote  

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Customer Review

Based on 10 publication(s) in Google Scholar

Other Forms of SCR7 pyrazine:

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  • Biological Activity

  • Purity & Documentation

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Description

SCR7 pyrazine is a DNA ligase IV inhibitor that blocks nonhomologous end-joining (NHEJ) in a ligase IV-dependent manner. SCR7 pyrazine is also a CRISPR/Cas9 enhancer which increases the efficiency of Cas9-mediated homology-directed repair (HDR). SCR7 pyrazine induces cell apoptosis and has anticancer activity[1][2].

IC50 & Target

DNA Ligase IV[1]
CRISPR/Cas9[2]

In Vitro

SCR7 pyrazine (20-100 μM; 24 hours; MCF7 cells) treatment interferes with NHEJ in cells, leading to accumulation of unrepaired double-strand breaks (DSBs)[1].
SCR7 pyrazine treatment shows a dose-dependent decrease in cell proliferation with IC50 values of 40 μM, 34 μM, 44 μM, 8.5 μM, 120 μM, 10 μM and 50 μM for MCF7, A549, HeLa, T47D, A2780, HT1080 and Nalm6 cells, respectively[1].
In MCF7 cells, SCR7 pyrazine (20, 40 μM) treatment increases phosphorylation of ATM and activates p53, decreases MDM2, BCL2, resulting in activation of proapoptotic proteins, PUMA and BAX. And the shorter fragments of MCL1, PARP1, Caspase 3, and Caspase 9 cleavage are upregulated in a dose-dependent manner[1].

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

Western Blot Analysis[1]

Cell Line: MCF7 cells
Concentration: 20 μM, 40 μM, 100 μM
Incubation Time: 24 hours
Result: Showed an increase in levels of gH2AX foci and protein.
In Vivo

SCR7 pyrazine (10 mg/kg; intraperitoneal injection; six doses; BALB/c mice) treatment significantly reduces breast adenocarcinoma-induced tumor and increases lifespan[1].

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

Animal Model: BALB/c mice injected with breast adenocarcinoma cells[1]
Dosage: 10 mg/kg
Administration: Intraperitoneal injection; on alternate days (0, 2, 4, 6, 8, and 10)
Result: Significantly reduced breast adenocarcinoma-induced tumor and increased lifespan.
Molecular Weight

332.38

Appearance

Solid

Formula

C18H12N4OS

CAS No.
SMILES

O=C1NC(NC2=NC(C3=CC=CC=C3)=C(C4=CC=CC=C4)N=C12)=S

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 : 100 mg/mL (300.86 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.0086 mL 15.0430 mL 30.0860 mL
5 mM 0.6017 mL 3.0086 mL 6.0172 mL
10 mM 0.3009 mL 1.5043 mL 3.0086 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

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

    Solubility: ≥ 2.5 mg/mL (7.52 mM); Clear solution

  • 2.

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

    Solubility: ≥ 2.5 mg/mL (7.52 mM); Clear solution

*All of the co-solvents are available by MedChemExpress (MCE).
Purity & Documentation
References
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
SCR7 pyrazine
Cat. No.:
HY-107845
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