216162-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216162-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,1,6 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 216162-63:
(8*2)+(7*1)+(6*6)+(5*1)+(4*6)+(3*2)+(2*6)+(1*3)=109
109 % 10 = 9
So 216162-63-9 is a valid CAS Registry Number.