213698-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213698-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,6,9 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 213698-51:
(8*2)+(7*1)+(6*3)+(5*6)+(4*9)+(3*8)+(2*5)+(1*1)=142
142 % 10 = 2
So 213698-51-2 is a valid CAS Registry Number.