83511-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83511-78-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,1 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83511-78:
(7*8)+(6*3)+(5*5)+(4*1)+(3*1)+(2*7)+(1*8)=128
128 % 10 = 8
So 83511-78-8 is a valid CAS Registry Number.