1647116-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1647116-56-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,7,1,1 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1647116-56:
(9*1)+(8*6)+(7*4)+(6*7)+(5*1)+(4*1)+(3*6)+(2*5)+(1*6)=170
170 % 10 = 0
So 1647116-56-0 is a valid CAS Registry Number.