• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
VE-821

VE-821

Product ID V1600
Cas No. 1232410-49-9
Purity ≥98%
Product Unit SizeCostQuantityStock
1 mg $53.00 In stock
5 mg $89.00 In stock
10 mg $142.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

VE-821 is an inhibitor of ataxia telangiectasia and Rad3-related (ATR) kinase, a chromatin-remodeling protein that senses DNA damage and activates the DNA damage checkpoint to induce cell cycle arrest. VE-821 exhibits anticancer activity, inducing chromosome fragmentation, apoptosis, and cell death in vitro. VE-821 decreases phosphorylation of checkpoint kinase (CHK) 1 and induces G2 phase cell cycle arrest in pancreatic cancer cells and leukemia cells, sensitizing them to the effects of radiation.

Product Info

Cas No.

1232410-49-9

Purity

≥98%

Formula

C18H16N4O3S

Formula Wt.

368.41

IUPAC Name

3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

Synonym

VE821

Solubility

DMSO 74 mg/mL (200.86 mM) Water Insoluble Ethanol Insoluble

Appearance

Light yellow powder

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

V1600 MSDS PDF

Info Sheet

V1600 Info Sheet PDF

References

Flynn RL, Cox KE, Jeitany M, et al. Alternative lengthening of telomeres renders cancer cells hypersensitive to ATR inhibitors. Science. 2015 Jan 16;347(6219):273-7. PMID: 25593184.

Vávrová J, Zárybnická L, Lukášová E, et al. Inhibition of ATR kinase with the selective inhibitor VE-821 results in radiosensitization of cells of promyelocytic leukaemia (HL-60). Radiat Environ Biophys. 2013 Nov;52(4):471-9. PMID: 23934411.

Prevo R, Fokas E, Reaper PM, et al. The novel ATR inhibitor VE-821 increases sensitivity of pancreatic cancer cells to radiation and chemotherapy. Cancer Biol Ther. 2012 Sep;13(11):1072-81. PMID: 22825331.

Reaper PM, Griffiths MR, Long JM, et al. Selective killing of ATM- or p53-deficient cancer cells through inhibition of ATR. Nat Chem Biol. 2011 Apr 13;7(7):428-30. PMID: 21490603.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • C5680

    Coumestrol

    Phytoestrogen found in various plant sources; E...

    ≥97%
  • R3221

    3-Formylrifamycin

    Rifamycin derivative, induces pore formation in...

    ≥98%
  • C281006

    Chaetocin

    Chaetocin is naturally produced by Chaetomium s...

    ≥98%
  • O1178

    n-Octyl-3-methylcaffeate

    Derivative of methyl caffeate, hydroxycinnamic ...

    ≥98%
  • P2816

    S-(N-3-Phenylpropylthiocarbamoyl)-L-cysteine

    Cysteine-ITC conjugate.

    ≥98%
  • C5968

    Cordycepin

    Nucleoside (deoxyadenosine) analog found in Co...

    ≥99%
  • D0262

    Dapiprazole Hydrochloride

    α1-Adrenergic antagonist.

    ≥98%
  • T3454

    Tinidazole

    Nitroimidazole, binds DNA; nucleic acid synthes...

    ≥98%
  • S6232

    Spiramycin

    Macrolide; protein synthesis inhibitor. ≥3900...

    ≥3900 IU/mg
  • N5769

    Norfloxacin Nicotinate

    Fluoroquinolone; topoisomerase IV and bacterial...

    ≥98%
  • C0025

    Cafestol Eicosanate

    Diterpene found in brewed, unfiltered coffee; F...

    ≥98%
  • M9645

    Myelin Oligodendrocyte Glycoprotein (35-55), rat

    Oligodendrocyte antigen used to induce EAE.

    ≥95%
  • T0090

    7-(Triethylsilyl)-baccatin III

    Synthetic taxol synthesis intermediate; microtu...

    ≥98%
  • I5313

    Indinavir Sulfate

    HIV protease, GLUT4, calpain inhibitor.

    ≥99%
  • O6953

    Ornidazole

    5-Nitroimidazole derivative; genotoxic.

    ≥98%
  • H3272

    His Tag

    Six-histidine peptide used for affinity column ...

    ≥98%
  • B0396

    BAY80-6946

    p110α PI3K inhibitor.

    ≥98%
  • L8377

    Luteolin

    Flavonoid found in various plant sources; DAT a...

    ≥95%
  • A985134

    AZD-9291

    EGFR inhibitor.

    ≥99%
  • L1983

    Leucomyosuppressin

    Peptide found in insects.

    ≥95%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only