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Cat. No. M4871
CL-387785 Structure


Size Price Availability Quantity
10mM*1mL In DMSO USD 95 In stock
5mg USD 90 In stock
10mg USD 135 In stock
50mg USD 500 In stock
100mg USD 880 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

CL-387785 blocks EGF-stimulated autoposphorylation of the receptor in cells (IC50, 5 nM), In cell lines that overexpress EGF-R or c-erbB-2, CL-387785 inhibits cell proliferation (IC50, 31 nM) primarily in a cytostatic manner.Doses of CL-387785 as low as 25 mg/kg reduces the growth of HCA-7-induced xenograft tumor, and a dose of 100 mg/kg prevents tumor growth entirely. Dose of 50 mg/kg CL-387785 is effective at reducing the growth of HCT-116-induced xenograft tumor.

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 381.23
Formula C18H13BrN4O
CAS Number 194423-06-8
Purity >98%
Solubility DMSO 63 mg/mL
Water <1 mg/mL
Storage at -20°C

Irreversible inhibition of epidermal growth factor receptor tyrosine kinase with in vivo activity by N-[4-[(3-bromophenyl)amino]-6-quinazolinyl]-2-butynamide (CL-387,785).
Discafani CM, Biochem Pharmacol. 1999 Apr;15;57(8). PMID: 10086326.

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Keywords: CL-387785, EKI-785 supplier, EGFR/HER2, inhibitors

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