219580-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219580-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,8 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219580-52:
(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*0)+(2*5)+(1*2)=146
146 % 10 = 6
So 219580-52-6 is a valid CAS Registry Number.