725698-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 725698-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,6,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 725698-21:
(8*7)+(7*2)+(6*5)+(5*6)+(4*9)+(3*8)+(2*2)+(1*1)=195
195 % 10 = 5
So 725698-21-5 is a valid CAS Registry Number.