N-{4-oxo-2-[(E)-2-phenylethenyl]quinazolin-3(4H)-yl}-2-{4-[(2-phenyl-1,8-naphthyridin-3-yl)carbonyl]phenoxy}acetamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 136603-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,0 and 3 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 136603-25: (8*1)+(7*3)+(6*6)+(5*6)+(4*0)+(3*3)+(2*2)+(1*5)=113 113 % 10 = 3 So 136603-25-3 is a valid CAS Registry Number.