693257-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693257-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,5 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 693257-34:
(8*6)+(7*9)+(6*3)+(5*2)+(4*5)+(3*7)+(2*3)+(1*4)=190
190 % 10 = 0
So 693257-34-0 is a valid CAS Registry Number.