691370-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691370-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,3,7 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 691370-58:
(8*6)+(7*9)+(6*1)+(5*3)+(4*7)+(3*0)+(2*5)+(1*8)=178
178 % 10 = 8
So 691370-58-8 is a valid CAS Registry Number.