159956-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159956-64-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,9,5 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 159956-64:
(8*1)+(7*5)+(6*9)+(5*9)+(4*5)+(3*6)+(2*6)+(1*4)=196
196 % 10 = 6
So 159956-64-6 is a valid CAS Registry Number.