690634-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690634-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,3 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 690634-05:
(8*6)+(7*9)+(6*0)+(5*6)+(4*3)+(3*4)+(2*0)+(1*5)=170
170 % 10 = 0
So 690634-05-0 is a valid CAS Registry Number.