219660-35-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219660-35-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,6 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 219660-35:
(8*2)+(7*1)+(6*9)+(5*6)+(4*6)+(3*0)+(2*3)+(1*5)=142
142 % 10 = 2
So 219660-35-2 is a valid CAS Registry Number.