LY2835219 free base

Catalog No. size PriceQuantity
M6668-2 2mg solid $101
M6668-10 10mg solid $396


LY2835219 free base is orally available cyclin-dependent kinase (CDK) inhibitor that targets the CDK4 (cyclin D1) and CDK6 (cyclin D3) cell cycle pathway, with potential antineoplastic activity. LY2835219 inhibits CDK4 and CDK6 with low nanomolar potency. LY2835219 specifically inhibits CDK4 and 6, thereby inhibiting retinoblastoma (Rb) protein phosphorylation in early G1. Inhibition of Rb phosphorylation prevents CDK-mediated G1-S phase transition, thereby arresting the cell cycle in the G1 phase, suppressing DNA synthesis and inhibiting cancer cell growth.

Product information

CAS Number: 1231929-97-7

Molecular Weight: 506.59

Formula: C27H32F2N8


LY 2835219



Chemical Name: N-(5-((4-ethylpiperazin-1-yl)methyl)pyridin-2-yl)-5-fluoro-4-(4-fluoro-1-isopropyl-2-methyl-1H-benzo[d]imidazol-6-yl)pyrimidin-2-amine

Smiles: CC1=NC2=C(C=C(C=C2F)C2=NC(NC3=CC=C(CN4CCN(CC4)CC)C=N3)=NC=C2F)N1C(C)C


InChi: InChI=1S/C27H32F2N8/c1-5-35-8-10-36(11-9-35)16-19-6-7-24(30-14-19)33-27-31-15-22(29)25(34-27)20-12-21(28)26-23(13-20)37(17(2)3)18(4)32-26/h6-7,12-15,17H,5,8-11,16H2,1-4H3,(H,30,31,33,34)

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO, not in water

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

LY2835219 free base reduces cell viability with the IC50 values ranging from 0.5 μM to 0.7 μM, inhibits Akt and ERK signaling but not mTOR activation at head and neck squamous cell carcinoma (HNSCC) cells. LY2835219 free base shows inhibition on A375R1-4, M14R, and SH4R with EC50 values ranging from 0.3 to 0.6 μM; Abemaciclib inhibits the proliferation of the parental A375 and resistant A375RV1 and A375RV2 cells with similar potencies with IC50 values of 395, 260, and 463 nM, respectively. LY2835219 free base inhibits CDK4 and CDK6 with low nanomolar potency, inhibits Rb phosphorylation resulting in a G1 arrest and inhibition of proliferation, and its activity is specific for Rb-proficient cells.

In Vivo:

LY2835219 free base (45 mg/kg, p.o.) in combination with RAD001 causes a cooperative antitumor effect in HNSCC xenograft tumor. LY2835219 free base (45 or 90 mg/kg, p.o.) shows significant tumor growth inhibition in an A375 xenograft model.


  1. Kotake T, Toi M. Abemaciclib for the treatment of breast cancer. Expert Opin Pharmacother. 2018 Apr;19(5):517-524. doi: 10.1080/14656566.2018.1448787. Epub 2018 Mar 9. PubMed PMID: 29522364.
  2. Corona SP, Generali D. Abemaciclib: a CDK4/6 inhibitor for the treatment of HR+/HER2- advanced breast cancer. Drug Des Devel Ther. 2018 Feb 16;12:321-330. doi: 10.2147/DDDT.S137783. eCollection 2018. Review. PubMed PMID: 29497278; PubMed Central PMCID: PMC5818877.
  3. Naz S, Sowers AL, Choudhuri R, Wissler MF, Gamson J, Mathias A, Cook JA, Mitchell JB. Abemaciclib, a Selective CDK4/6 Inhibitor Enhances the Radiosensitivity of Non-Small Cell Lung Cancer in vitro and in vivo. Clin Cancer Res. 2018 May 1. pii: clincanres.3575.2017. doi: 10.1158/1078-0432.CCR-17-3575. [Epub ahead of print] PubMed PMID: 29716919.

Products are for research use only. Not for human use.

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