219512-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219512-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,1 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 219512-26:
(8*2)+(7*1)+(6*9)+(5*5)+(4*1)+(3*2)+(2*2)+(1*6)=122
122 % 10 = 2
So 219512-26-2 is a valid CAS Registry Number.