436157-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436157-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,6,1,5 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 436157-68:
(8*4)+(7*3)+(6*6)+(5*1)+(4*5)+(3*7)+(2*6)+(1*8)=155
155 % 10 = 5
So 436157-68-5 is a valid CAS Registry Number.