142469-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142469-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142469-80:
(8*1)+(7*4)+(6*2)+(5*4)+(4*6)+(3*9)+(2*8)+(1*0)=135
135 % 10 = 5
So 142469-80-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H26N2.C4H4O4/c1-21(16-14-18-9-4-2-5-10-18)17-20-13-8-15-22(20)19-11-6-3-7-12-19;5-3(6)1-2-4(7)8/h2-7,9-12,20H,8,13-17H2,1H3;1-2H,(H,5,6)(H,7,8)/b;2-1+