690245-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690245-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 690245-20:
(8*6)+(7*9)+(6*0)+(5*2)+(4*4)+(3*5)+(2*2)+(1*0)=156
156 % 10 = 6
So 690245-20-6 is a valid CAS Registry Number.