219585-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219585-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,8 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219585-87:
(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*5)+(2*8)+(1*7)=172
172 % 10 = 2
So 219585-87-2 is a valid CAS Registry Number.