• 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
OTSSP167 Hydrochloride

OTSSP167 Hydrochloride

Product ID O783743
Cas No. 1431698-10-0
Purity ≥98%
Product Unit SizeCostQuantityStock
1 mg $89.00 In stock
5 mg $307.00 In stock
25 mg $954.00 In stock
Bulk Quote

Quicklinks

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

Description

OTSSP167 inhibits maternal embryonic leucine zipper kinase (MELK). MELK has been identified as a possible therapeutic target for breast cancer, and is highly upregulated in other cancer types. OTSSP167 suppresses mammosphere formation of breast cancer cells and tumor growth in xenograft studies. In epithelial ovarian cancer, treatment with OTSSP167 reduced cell proliferation through G2/M cell cycle arrest resulting in apoptosis, even in cisplatin-resistant and paclitaxel-resistant cancer cells.

Product Info

Cas No.

1431698-10-0

Purity

≥98%

Formula

C25H29Cl3N4O2

Formula Wt.

523.88

IUPAC Name

1-[6-(3,5-dichloro-4-hydroxyphenyl)-4-[[4-[(dimethylamino)methyl]cyclohexyl]amino]-1,5-naphthyridin-3-yl]ethanone;hydrochloride

Synonym

OTS167 Hydrochloride; OTSSP167 (hydrochloride); OTSSP167 HCL

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

O783743 MSDS PDF

Info Sheet

O783743 Info Sheet PDF

References

Chung S., Suzuki H., et al. Development of an orally-administrative MELK-targeting inhibitor that suppresses the growth of various types of human cancer. Oncotarget. (12):1629-40 (2012). PMID: 23283305.

Kholer R., Kettelhack H., et al. MELK expression in ovarian cancer correlates with poor outcome and its inhibition by OTSSP167 abrogates proliferation and viability of ovarian cancer cells. Gynecol Oncol. 145(1):159-166 (2017). PMID: 28214016.

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

  • S1970

    Serum Thymic Factor

    Synthetic peptide hormone.

    ≥95%
  • U0618

    Ubenimex

    Dipeptide; aminopeptidase (N/CD13) inhibitor.

    ≥98%
  • E5575

    Entacapone

    COMT inhibitor.

    ≥98%
  • G4481

    Glucagon-like Peptide I Amide (7-36), human

    Endogenous peptide hormone, GLP-1 fragment, inv...

    ≥95%
  • R3321

    Rifaximin

    Rifampicin derivative; DNA-dependent RNA polyme...

    ≥98%
  • N3278

    7-Nitroindazole

    nNOS inhibitor.

    ≥98%
  • F4783

    Fluvoxamine Maleate

    FIASMA, 5-HT3 and σ1 agonist, SERT inhibitor.<...

    ≥97%
  • T2404

    TG101348

    JAK2 inhibitor.

    ≥98%
  • A0922

    Acetyl-L-Carnitine Hydrochloride

    Carnitine derivative, involved in energy homeos...

    ≥98%
  • D5662

    Dopamine Hydrochloride

    Endogenous hormone neurotransmitter, involved i...

    ≥99%
  • F4781

    Fludarabine

    Nucleoside (adenosine) analog; DNA chain termin...

    ≥98%
  • A6804

    Arbutin

    Glycoside hydroquinone originally found in Berg...

    ≥98%
  • C0247

    Calcineurin Autoinhibitory Peptide

    Peptide; calcineurin inhibitor.

    ≥95%
  • E7310

    Esculin

    Coumarin glucoside found in Aesculus, Daphne, a...

    ≥98%
  • L3551

    Limonin Glucoside

    Furanolactone found in Citrus.

    ≥95%
  • C0048

    Cambinol

    SIRT inhibitor.

    ≥98%
  • F5745

    Folic Acid

    Non-endogenous essential vitamin (B9), found in...

    ≥96%
  • C9660

    Cypermethrin

    Synthetic type II pyrethroid insecticide; prote...

    ≥95%
  • S6800

    SR1001

    RORα/γ inverse agonist.

    ≥99%
  • D760022

    DT-2216

    BCL-XL specific degrader

    ≥98%

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