219662-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219662-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,6 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219662-02:
(8*2)+(7*1)+(6*9)+(5*6)+(4*6)+(3*2)+(2*0)+(1*2)=139
139 % 10 = 9
So 219662-02-9 is a valid CAS Registry Number.