1219586-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219586-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,5,8 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1219586-16:
(9*1)+(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*6)+(2*1)+(1*6)=169
169 % 10 = 9
So 1219586-16-9 is a valid CAS Registry Number.