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Merck
CN

SML2855

LY2603618

≥98% (HPLC)

Synonym(s):

(S)-1-[5-Bromo-4-methyl-2-(morpholin-2-ylmethoxy)phenyl]-3-(5-methylpyrazin-2-yl)urea, 1-[5-Bromo-4-methyl-2-(S)-(morpholin-2-ylmethoxy)phenyl]-3-(5-methylpyrazin-2-yl)urea, IC-83, LCI-1, LY 2603618, LY-2603618, Rabusertib

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About This Item

Empirical Formula (Hill Notation):
C18H22BrN5O3
CAS Number:
911222-45-2
Molecular Weight:
436.30
UNSPSC Code:
12352200
NACRES:
NA.77
MDL number:
MFCD18633253

Key Documents

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Product Name

LY2603618, ≥98% (HPLC)

InChI

1S/C18H22BrN5O3/c1-11-5-16(27-10-13-8-20-3-4-26-13)15(6-14(11)19)23-18(25)24-17-9-21-12(2)7-22-17/h5-7,9,13,20H,3-4,8,10H2,1-2H3,(H2,22,23,24,25)/t13-/m0/s1

SMILES string

CC1=C(Br)C=C(NC(NC2=CN=C(C)C=N2)=O)C(OC[C@H]3OCCNC3)=C1

InChI key

SYYBDNPGDKKJDU-ZDUSSCGKSA-N

assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear (warmed)

storage temp.

2-8°C

Quality Level

100

Related Categories

Biochem/physiol Actions

LY2603618 (LCI-1) is a potent and selective checkpoint kinase 1 (Chk1) inhibitor (IC50 = 7 nM) that produces a cellular phenotype identical to that reported upon Chk1 depletion by RNAi. LY2603618 prevents doxorubicin-induced Chk1 autophosphorylation (IC50 = 52 nM; HeLa), allowing cells to traverse the G2/M checkpoint and proceed into mitosis with unresolved replicated chromosomes. LY2603618 renders mutant p53, but not wild-type, HT-29 colon cancer cells more sensitive to gemcitabine both in vitro and in mice in vivo.
Potent and selective checkpoint kinase 1 (Chk1) inhibitor that renders mutant p53 cancer cells more sensitive to DNA-damaging agents in vitro and in vivo.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000106003
0000106004
0000099830

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Anne M van Harten et al.
Oncogenesis, 8(7), 38-38 (2019-06-19)
Head and neck squamous cell carcinomas (HNSCCs) coincide with poor survival rates. The lack of driver oncogenes complicates the development of targeted treatments for HNSCC. Here, we follow-up on two previous genome-wide RNA and microRNA interference screens in HNSCC to
Darlene Barnard et al.
Investigational new drugs, 34(1), 49-60 (2015-11-28)
Pharmacological inhibition of CHK1 in the absence of p53 functionality leads to abrogation of the S and G2/M DNA damage checkpoints. We report the preclinical therapeutic activity of LY2603618 (CHK1 inhibitor) at inhibiting CHK1 activation by gemcitabine and enhancing in
Jianyun Zhao et al.
Oncotarget, 7(23), 34785-34799 (2016-05-12)
Resistance to standard chemotherapy agents remains a major obstacle for improving treatment outcomes for acute myeloid leukemia (AML). The Bcl-2-selective inhibitor ABT-199 has demonstrated encouraging preclinical results, drug resistance remains a concern. Mcl-1 has been demonstrated to contribute to ABT-199
Constance King et al.
Investigational new drugs, 32(2), 213-226 (2013-10-12)
Interference with DNA damage checkpoints has been demonstrated preclinically to be a highly effective means of increasing the cytotoxicity of a number of DNA-damaging cancer therapies. Cell cycle arrest at these checkpoints protects injured cells from apoptotic cell death until
Characterization and preclinical development of LCI-1, a selective and potent Chk1 inhibitor in phase I clinical trials
Marshall M, Barda D, Barnard D, et al.
Molecular Cancer Therapeutics, 8, B248-B248 (2009)
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