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Cat. No. M9397
MS4078 Structure
Size Price Availability Quantity
5mg USD 350  USD350 In stock
10mg USD 550  USD550 In stock
25mg USD 985  USD985 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

MS4078 is a PROTAC degrader of ALK which potently decreases cellular levels of oncogenic active ALK fusion proteins in SU-DHL-1 lymphoma and NCI-H2228 lung cancer cells, with a Kd of 19 nM for binding affinity to ALK. MS4078 potently reduces the ALK fusion protein levels and inhibits the ALK auto-phosphorylation and down-steam STAT3 phosphorylation in both SU-DHL-1 and NCI-H2228 cells in a concentration-dependent manner. In NCI-H2228 cells, MS4078 reduces the EML4-ALK protein levels with similar DC50 value of 59 ± 16 nM after 16-hour treatment. At the 100 nM concentration, NCI-H2228 cells reduces more than 90% of EML4-ALK protein levels

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 Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 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 Compound A of 10 mg/kg.

Chemical Information
Molecular Weight 914.47
Formula C45H52ClN9O8S
CAS Number 2229036-62-6
Purity >98%
Solubility DMSO ≥ 90 mg/mL
Storage at -20°C

[1] Zhang C, et al. Eur J Med Chem. Proteolysis Targeting Chimeras (PROTACs) of Anaplastic Lymphoma Kinase (ALK).

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Abmole Inhibitor Catalog

Keywords: MS4078 supplier, ALK, inhibitors

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