Defactinib

Chemical Information
Defactinib is a small molecule kinase inhibitor targeted against focal adhesion kinase (FAK) and proline-rich tyrosine kinase-2 (Pyk2), the two members of the FAK family of nonreceptor tyrosine kinases. FAK is important for the integrin-mediated activation of several downstream signal transduction pathways, including those involving RAS/MEK/ERK and PI3K/Akt, and its upregulation is a key resistance mechanism to MAPK inhibitors, facilitating tumor cell proliferation and survival in the absence of MAPK signaling. Defactinib was approved by the US FDA in May 2025 in a co-package alongside [avutometinib] (called Avmapki Fakzynja) for the treatment of recurrent KRAS-mutated low-grade serous ovarian cancer.
| CAS Number | 1073154-85-4 |
| PubChem CID | 25117126 |
| IUPAC Name | N-methyl-4-[[4-[[3-[methyl(methylsulfonyl)amino]pyrazin-2-yl]methylamino]-5-(trifluoromethyl)pyrimidin-2-yl]amino]benzamide |
| Molecular Formula | C20H21F3N8O3S |
| Molecular Weight | 510.5 |
| XLogP | 1.4 |
| Topological Polar Surface Area | 150 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 8 |
| Heavy Atom Count | 35 |
| Formal Charge | 0 |
| Complexity | 804 |
| Property | Value |
|---|---|
| Molecular Weight | 510.5 |
| XLogP3 | 1.4 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 8 |
| Exact Mass | 510.14094222 |
| Monoisotopic Mass | 510.14094222 |
| Topological Polar Surface Area | 150 Ų |
| Heavy Atom Count | 35 |
| Formal Charge | 0 |
| Complexity | 804 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
Alternative Products
Popular Products

DBCO-PEG-SC, 5K
SKU: HE048023-5K|Size: 100 mg

DBCO-PEG-SC, 2K
SKU: HE048023-2K|Size: 100 mg

Excision only piggyBac Transposase expression vector, 50 rxns
SKU: PB220PA-1|Size: 10 µg

DuxGelDoc UV
SKU: DUXG-99-03E|Size: 1 Unit

Denaturation Solution
SKU: EC-875|Size: 1 L

Research Grade Lunsekimig
SKU: WA3118|Size: 1 Each

Caspase 3, Cleaved (Asp175) (CPP-32, Apoptain, Yama, SCA-1)
SKU: MBS631626-01|Size: 0.1 mL

Active Matrix Metalloproteinase 1 (MMP1)
SKU: TRV-042744-01|Size: 10 µg

Boron Powder, crystalline, 40 micron, 99%
SKU: GX6952-25g|Size: 25 g

Human Insulin-like Growth Factors 1 Long R3 (IGF-1 LR3) ELISA Kit
SKU: MBS733937-01|Size: 48 Well

DBCO-PEG-SC, 8K
SKU: HE048023-8K|Size: 100 mg

DBCO-PEG-SC, 2K
SKU: HE048023-2K|Size: 100 mg

DBCO-PEG-SC, 3.4K
SKU: HE048023-3.4K|Size: 100 mg

DBCO-PEG-SC, 6K
SKU: HE048023-6K|Size: 100 mg

DBCO-PEG-SC, 5K
SKU: HE048023-5K|Size: 100 mg

DBCO-PEG-SC, 3K
SKU: HE048023-3K|Size: 100 mg

DBCO-PEG-SC, 500
SKU: HE048023-500|Size: Inquire

DBCO-PEG-SC, 200
SKU: HE048023-200|Size: Inquire

DBCO-PEG-SC, 400
SKU: HE048023-400|Size: Inquire

DBCO-PEG-SC, 1K
SKU: HE048023-1K|Size: 100 mg
