633698-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 633698-71-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,3,6,9 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 633698-71:
(8*6)+(7*3)+(6*3)+(5*6)+(4*9)+(3*8)+(2*7)+(1*1)=192
192 % 10 = 2
So 633698-71-2 is a valid CAS Registry Number.