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Cat. No. M2104
BYL719 Structure


Size Price Availability Quantity
Free Sample (0.5-1 mg)  USD 0 In stock
5mg USD 89 In stock
10mg USD 150 In stock
50mg USD 480 In stock
100mg USD 698 In stock
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Quality Control
Biological Activity

BYL719 is an orally bioavailable, next generation PI3K α- isoform specific inhibitor with potential antineoplastic activity. BYL719 inhibits the proliferation of breast cancer cell lines harboring PIK3CA mutations. In vivo, BYL719 shows statistically significant dose-dependent anti-tumor efficacy in PIK3CA mutant xenograft models in rodents. BYL719 has a low clearance, a half-life of 8.5 h in humans and its exposure increases dose proportionally between 30mg/d and 450mg/d, displaying a low inter-individual variability in Cmax and AUC. BYL719 is currently in phase II clinical trial in adult patients with selected advanced solid tumors.

Customer Product Validations & Biological Datas
Source Int J Cancer (2015). Figure 1. BYL719
Method Caspase 3/7 activity assay
Cell Lines HOS and MOS-J cells
Concentrations 25 μM
Incubation Time 24 and 48 hr
Results After 72 hr of treatment, BYL719 significantly inhibited the cell growth of all osteosarcoma cell lines tested in a dosedependent manner with an IC50 ranging from 6 to 15 μM and with the IC90 from 24 to 42 μM at 72 hr.
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 441.47
Formula C19H22F3N5O2S
CAS Number 1217486-61-7
Purity 99.50%
Solubility DMSO 72 mg/mL
Storage at -20°C
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Keywords: BYL719, Alpelisib supplier, PI3K, inhibitors

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