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SML2618

Sigma-Aldrich

FRAX1036

≥98% (HPLC)

Synonym(s):

6-(2-Chloro-4-(6-methylpyrazin-2-yl)phenyl)-8-ethyl-2-((2-(1-methylpiperidin-4-yl)ethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one, 6-[2-Chloro-4-(6-methyl-2-pyrazinyl)phenyl]-8-ethyl-2-[[2-(1-methyl-4-piperidinyl)ethyl]amino]pyrido[2,3-d]pyrimidin-7(8H)-one, FRAX 1036, FRAX-1036

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About This Item

Empirical Formula (Hill Notation):
C28H32ClN7O
CAS Number:
1432908-05-8
Molecular Weight:
518.05
MDL number:
MFCD30187513
UNSPSC Code:
12352200
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

−20°C

Biochem/physiol Actions

FRAX1036 is a potent, group I-selective p21-activated kinase (PAK) inhibitor (PAK1/4 Ki = 23 nM/1.4 μM; PAK1/4 IC50 = 2 nM/>500 nM; >96% PAK1/2/3 inhibition vs. 5.1%/8.2%/22.2% PAK4/5/6 inhibition at 1 μM) with significant inhibitory activity toward only 11 other kinases at a high concentration of 1 μM (78.7-100% inhibition) among a panel of 240. FRAX1036 exhibits higher antiproliferation activity in PAK negative regulator NF2-deficient meningioma cultures (NF2-/- Ben-Men-1/KT21-MG1 IC50 = 1.888/1.991 μM vs.NF2+/+ MN328/MN525 IC50 = 4.239/3.296 μM) by inhibiting cellular PAK autophosphorylation and downstream signaling events. When administered orally in a murine orthotopic meningioma model, FRAX1036 effectively suppresses the growth of established KT21 and Ben-Men tumors in vivo (30 mg/kg/d p.o.).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Maria Radu et al.
Molecular and cellular biology, 35(23), 3990-4005 (2015-09-24)
p21-activated kinases (Paks) have been shown to regulate cytoskeleton rearrangements, cell proliferation, attachment, and migration in a variety of cellular contexts, including endothelial cells. However, the role of endothelial Pak in embryo development has not been reported, and currently, there
G Semenova et al.
Oncogene, 36(38), 5421-5431 (2017-05-24)
Malignant peripheral nerve sheath tumors (MPNSTs) are devastating sarcomas for which no effective medical therapies are available. Over 50% of MPSNTs are associated with mutations in NF1 tumor suppressor gene, resulting in activation of Ras and its effectors, including the
Rachelle E Kosoff et al.
Blood, 125(19), 2995-3005 (2015-04-01)
Megakaryocyte maturation and polyploidization are critical for platelet production; abnormalities in these processes are associated with myeloproliferative disorders, including thrombocytopenia. Megakaryocyte maturation signals through cascades that involve p21-activated kinase (Pak) function; however, the specific role for Pak kinases in megakaryocyte
Tatiana Y Prudnikova et al.
Small GTPases, 8(4), 193-198 (2016-07-19)
The p21-activated kinases (PAKs) are Cdc42/Rac-activated serine-threonine protein kinases that regulate several key cancer-relevant signaling pathways, such as the Mek/Erk, PI3K/Akt, and Wnt/β-catenin cascades. Pak1 is frequently overexpressed and/or hyperactivated in different human cancers, including breast, ovary, prostate, and brain
Fariborz Mortazavi et al.
BMC cancer, 15, 381-381 (2015-05-10)
Key effector(s) of mutated KRAS in lung cancer progression and metastasis are unknown. Here we investigated the role of PAK1/Crk axis in transduction of the oncogenic KRAS signal in non-small cell lung cancer (NSCLC). We used NSCLC clinical specimens to
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